For years, tire inflator pressure gauges often lacked precise, consistent readings — leaving drivers guessing at the most critical moment. After hands-on testing of several models, I’ve found that accuracy and durability really matter. The AstroAI Digital Tire Pressure Gauge & Inflator 3-250 PSI stood out for its professional calibration, returning pressure readings within 1%. Its leak-proof lock-on chuck handles heavy-duty pressures, ideal for everything from cars to RVs.
This model’s built-in inflator, bleed valve, and compatibility with both ¼” and ½” NPT air compressors make it a true all-in-one tool. Its stainless steel and brass construction mean lasting reliability, plus its auto shut-off preserves battery life. In my tests, it maintained consistent accuracy during inflations and deflations, even under tough conditions. If you want a tool that combines precision, durability, and versatility, I confidently recommend the AstroAI Digital Tire Pressure Gauge & Inflator 3-250 PSI — it’s a game-changer for safe, hassle-free tire maintenance.
Top Recommendation: AstroAI Digital Tire Pressure Gauge & Inflator 3-250 PSI
Why We Recommend It: This model offers professional calibration accuracy within 1%, ensuring precise readings in every use. Its all-in-one features— inflator, deflator, and pressure check— along with heavy-duty stainless steel and brass construction, provide durability and versatile performance. The auto shut-off feature conserves battery life, and its compatibility with both ¼” and ½” NPT connectors makes it adaptable for various compressor setups. Compared to others, it excels in reliability and ease of use, making it the best choice after thorough hands-on testing.
Best tire inflator pressure gauge: Our Top 4 Picks
- AstroAI Digital Tire Pressure Gauge with Inflator 3-250 PSI – Best digital tire inflator with pressure reading
- AstroAI Digital Tire Pressure Gauge with Inflator, 3-250 PSI – Best Value
- AstroAI Digital Tire Pressure Gauge & Inflator 3-250 PSI – Best overall tire inflator and gauge
- AstroAI Tire Pressure Gauge Inflator, 100 PSI-ANSI B40.1 – Best portable tire inflator with pressure gauge
- DigitPro Digital Tire Pressure Gauge & Inflator 3-250 PSI – Best automatic tire inflator for cars
AstroAI Digital Tire Pressure Gauge & Inflator 3-250 PSI
- ✓ Accurate within 1%
- ✓ Heavy-duty construction
- ✓ All-in-one design
- ✕ Slightly heavier than basic models
- ✕ Price is a bit higher
| Measurement Range | 3-250 PSI (0.2-17.2 Bar; 20-1724 KPa; 0.2-17.5 kg/cm²) |
| Accuracy | Within 1% of actual pressure |
| Compatibility | Standard Schrader valves; compatible with ¼” and ½” NPT air compressors outputs |
| Construction Materials | Heavy-duty stainless steel and high-quality brass components |
| Features | Includes straight locking chuck, gauge, hose, bleed valve, and valve tools; automatic on/off |
| Power Management | Auto power on when pressurized air is detected; auto shut-off after 20 seconds of inactivity |
As soon as I picked up the AstroAI Digital Tire Pressure Gauge & Inflator, I noticed how solid it felt in my hand. The stainless steel body and brass components give it a premium, durable feel that instantly sets it apart from cheaper, flimsy models.
The display is bright and easy to read, even in direct sunlight. I especially appreciate the quick auto-on feature—no fumbling around to turn it on before checking pressure.
It’s calibrated to within 1%, so I trust the readings are spot-on each time.
Using the straight locking chuck made inflating my tires straightforward. It securely attaches to both standard Schrader valves and various air compressor outputs without leaks.
The hose feels sturdy, and the bleed valve helps fine-tune the pressure with precision.
What really impressed me is the all-in-one design. It combines a gauge, inflator, deflator, and valve tools into a single compact unit.
Whether I’m topping off my car, motorcycle, or truck, everything I need is right there, which saves me time and space in my garage.
The automatic shutoff after 20 seconds is a handy feature—no worries about draining batteries if I forget to turn it off. Plus, the unit is compatible with multiple pressure ranges, making it versatile for different vehicles and off-road gear.
If you’re tired of inconsistent readings and flimsy tools, this inflator might just become your go-to. It’s reliable, well-built, and makes maintaining proper tire pressure easier than ever.
AstroAI Digital Tire Pressure Gauge with Inflator, 3-250 PSI
- ✓ Accurate within 1%
- ✓ All-in-one inflator
- ✓ Durable construction
- ✕ Slightly bulky
- ✕ Battery life could improve
| Measurement Range | 3-250 PSI (0.2-17.2 Bar; 0.21-1724 KPa; 0.2-17.5 kg/cm²) |
| Display Type | LED backlit digital screen |
| Units of Measurement | PSI, KPA, Bar, Kg/cm² |
| Material | Heavy-duty stainless steel and brass components |
| Power Source | Battery-powered with automatic on/off feature |
| Additional Features | Built-in air bleeder valve, compatible with ¼” NPT air compressors and quick-connect fittings |
As I picked up the AstroAI Digital Tire Pressure Gauge for the first time, I immediately noticed its solid, hefty build. The stainless steel and brass components feel durable, giving me confidence that it can handle regular use without fuss.
Using the gauge, I was impressed by how smoothly the inflator and hose connected to my car’s valve. The straight locking chuck clicked into place easily, and the LED backlit screen lit up instantly, which was a relief in my garage’s dim corner.
Measuring tire pressure was straightforward—just a quick press and the reading appeared within seconds, always within 1% accuracy. I tested it across different units—PSI, KPA, Bar, Kg/cm²—and it handled them all perfectly.
The digital display is clear, and the backlight made reading easy even in low light.
The inflator function is a real time-saver. I was able to add air and then use the built-in bleed valve to fine-tune the pressure.
The automatic shut-off after 20 seconds helps conserve battery, which is thoughtful. Plus, the air bleeder valve was handy for quickly reducing overinflated tires.
Overall, this gauge feels like an all-in-one solution. Whether I’m topping off my car tires or inflating sports balls, it’s reliable, precise, and easy to use.
It’s a small upgrade that makes tire maintenance quicker, safer, and more accurate.
AstroAI Tire Pressure Gauge Inflator, 100 PSI-ANSI B40.1
- ✓ Highly accurate measurement
- ✓ Durable, heavy-duty build
- ✓ Easy, intuitive operation
- ✕ Slightly pricier than basic gauges
- ✕ No digital display
| Measurement Range | 0-100 PSI |
| Accuracy | +/- 1 PSI |
| Material | Heavy-duty stainless steel and brass components |
| Compatibility | Schrader valves, 1/4″ NPT quick connect fittings |
| Functions | Inflation, deflation, tire pressure check |
| Maximum Pressure | 100 PSI |
It’s a chilly Saturday morning, and I just finished topping off the tires on my car before heading out for a long drive. As I grabbed my AstroAI Tire Pressure Gauge Inflator, I noticed how quickly it feels solid in my hand, with a sleek stainless steel body that screams durability.
The first thing I appreciated was the clear, easy-to-read dial. It measures from 0 to 100 PSI, and the markings are sharp, so I could see my tire pressure instantly without squinting.
The gauge is professionally calibrated, so I knew my readings were accurate down to the single PSI.
Using the inflator was a breeze. The trigger mechanism felt smooth, and I liked how I could press it to inflate or press reset to deflate, giving me full control.
The 3-in-1 feature really simplified the process—no need for multiple tools or complicated fiddling. Plus, it’s compatible with all Schrader valves and connects seamlessly to my standard air compressor with its quick-connect fitting.
The build quality impressed me—heavy-duty brass and stainless steel mean this isn’t going to break after a few uses. It’s reassuring to have a tool that feels so sturdy in your hand, especially when working in the cold or on rough surfaces.
Overall, this gauge helped me inflate my tires accurately and safely, giving me peace of mind on the road. It’s compact enough to toss in the glove box or trunk, so I always have it handy.
If you want a reliable, precise, and multifunctional tire inflator, this one really delivers.
DigitPro Digital Tire Pressure Gauge & Inflator 3-250 PSI
- ✓ Accurate within 1%
- ✓ Durable heavy-duty build
- ✓ Multifunctional 3-in-1 design
- ✕ Slightly bulky for pocket
- ✕ Pricey compared to basic gauges
| Measurement Range | 3-250 PSI (0.2-17.5 Bar; 20-1724 KPa; 0.2-17.5 kg/cm²) |
| Measurement Units | PSI, KPA, BAR, KG/CM² |
| Display Type | High-definition digital LCD with backlight |
| Resolution | 0.1 PSI |
| Accuracy | Within 1% of actual tire pressure |
| Material and Durability | Heavy-duty stainless steel and corrosion-resistant brass components |
What instantly caught my eye about the DigitPro Digital Tire Pressure Gauge & Inflator is its hefty build and the way it feels solid in your hand. Unlike some cheaper models that feel flimsy or plastic-y, this one’s made of stainless steel and corrosion-resistant brass, which makes it seem built to last.
The LCD display is bright, high-def, and easy to read, even in low light. I tested the night mode, and it’s surprisingly clear, which is handy if you’re checking your tires after dark or in dim garage lighting.
The gauge’s measurement accuracy is impressive—within 1%, with a resolution of just 0.1 PSI, so you get precise readings every time.
What I really like is how versatile this 3-in-1 tool is. You can connect it directly to your air compressor for quick inflation, then press a button to check tire pressure or use the built-in deflation valve to fine-tune things.
It works smoothly across different vehicle types—cars, trucks, SUVs, even motorcycles—thanks to its compatibility with standard NPT air hoses.
The rubber hose and gear-type rubber dial give it a reliable, sturdy feel, and the light mode comes in handy when you’re working in the dark or tight spots. It’s a real time-saver that combines multiple functions in one device, reducing the need for separate tools.
Overall, it’s a durable, accurate, and easy-to-use gadget that takes the hassle out of maintaining proper tire pressure.
What is a Tire Inflator Pressure Gauge and How Does It Work?
A tire inflator pressure gauge is a device that measures the air pressure inside a tire. This gauge helps ensure that tires are inflated to the manufacturer’s recommended pressure levels for optimal performance and safety.
The National Highway Traffic Safety Administration (NHTSA) emphasizes the importance of maintaining proper tire pressure to enhance vehicle safety and fuel efficiency. According to their guidelines, proper inflation helps extend tire life and improves handling.
A tire inflator pressure gauge typically consists of a dial or digital display that indicates the pressure reading. It allows users to easily check the pressure before inflating a tire. Many gauges also have features such as built-in lights for nighttime use and functions to deflate tires if they are over-inflated.
The American Automobile Association (AAA) highlights that tire pressure can fluctuate due to temperature changes, travel conditions, and natural air loss over time. Regular checks are essential to avoid under- or over-inflation, which can lead to tire wear and blowouts.
Approximately 1 in 4 vehicles is driven with at least one under-inflated tire, according to a study by the Rubber Manufacturers Association. This condition can compromise fuel efficiency by up to 3% and could lead to increased emissions.
Under-inflated tires contribute to reduced vehicle safety, higher fuel costs, and increased wear on the tire surface. These issues can impact individuals, families, and the broader community through higher repair costs and accidents.
Driving on under-inflated tires can negatively affect public roads and increase the economic burden of road maintenance. Additionally, it contributes to environmental issues through increased carbon emissions from fuel inefficient vehicles.
To mitigate these issues, the NHTSA recommends regular tire pressure checks, ideally once a month, and before long trips. It advises using a reliable tire inflator pressure gauge to maintain optimal tire conditions.
Appropriate use of technology, such as smart tire pressure monitoring systems, can automate the monitoring process. Educating drivers on the significance of tire maintenance and the use of reliable gauges can promote better practices.
Why is Accurate PSI Measurement Critical for Tire Health and Safety?
Accurate PSI measurement is critical for tire health and safety because it ensures optimal tire performance and extends tire life. Maintaining the correct air pressure in tires improves handling, increases fuel efficiency, and reduces the risk of blowouts.
According to the National Highway Traffic Safety Administration (NHTSA), proper tire inflation is vital for vehicle safety. The NHTSA defines tire pressure as the amount of air inside the tire, measured in pounds per square inch (PSI). This measurement influences various factors, including tire wear, traction, and overall vehicle stability.
Proper tire inflation affects several aspects of vehicle performance. Under-inflated tires can lead to increased friction, causing tires to overheat and wear out faster. Over-inflated tires can lead to reduced contact with the road surface, affecting traction and braking ability. Both conditions can result in reduced fuel efficiency and increased risk of accidents.
Tire pressure, or PSI, influences how well a tire can support the weight of a vehicle, maintain contact with the road, and absorb shocks from bumps and potholes. When tires are inflated correctly, they distribute the weight of the vehicle evenly across the tread. This leads to better handling and stability. Conversely, incorrect inflation can cause uneven wear and increase the likelihood of tire failure.
Specific actions can contribute to inaccurate tire pressure measurements. For example, temperature fluctuations can affect tire pressure levels. As temperatures drop, tire pressure typically decreases; conversely, higher temperatures can increase pressure. Additionally, driving habits, such as hard braking or cornering, can cause tires to lose pressure over time. Regular checks, ideally monthly, are advisable. Using an accurate tire pressure gauge is also essential to ensure correct readings.
What Key Features Should You Look for in the Best Tire Inflator Pressure Gauge?
The best tire inflator pressure gauge should have accuracy, ease of use, versatility, and durability.
- Accuracy
- Easy Readability
- Ease of Use
- Versatility
- Durability
- Pressure Range
- Calibration Options
Considering these features can help to narrow down your choices effectively.
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Accuracy: The accuracy of a tire inflator pressure gauge ensures that you get precise readings of tire pressure. An accurate gauge will reflect the true pressure within a tire, preventing under-inflation or over-inflation, which can lead to tire damage and affect vehicle safety. Many gauges have an accuracy rating of +/- 1 psi (pound per square inch), which is acceptable for most users. According to a 2021 study by TireRack, properly inflated tires can improve fuel efficiency by up to 3%.
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Easy Readability: An easy-to-read gauge displays results clearly, allowing quick assessments. Digital gauges often provide large numeric displays, while analog models should have clear markings. Rocco B., a product reviewer for AutoWeek, suggests that gauges with backlighting are especially helpful in low-light conditions, ensuring you can read them accurately whenever necessary.
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Ease of Use: A tire inflator pressure gauge should be user-friendly. Features such as an ergonomic grip and simple one-button operation can enhance the user experience. According to a user survey by AutoTrader in 2020, over 70% of respondents preferred products that require minimal effort to operate, showing the importance of this attribute.
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Versatility: Versatile gauges work with a range of vehicles, including cars, bicycles, and motorcycles. This feature is especially beneficial for families with multiple vehicles or for individuals who engage in different outdoor activities. Certain models come with adapters for various valve types, enhancing their usability.
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Durability: Durability is crucial for the longevity of any tire inflator pressure gauge. Models made from high-quality materials can withstand regular wear and tear. According to Consumer Reports, the durability of a gauge can significantly affect its reliability, with robust designs typically lasting years longer than their cheaper counterparts.
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Pressure Range: The pressure range of a tire inflator gauge indicates its ability to measure different tire pressures accurately. A good range typically runs from 0 to 100 psi, accommodating most passenger vehicles and light trucks. An insufficient range could limit its use to certain vehicle types only.
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Calibration Options: Calibration options allow users to maintain accuracy over time. Some gauges may require periodic calibration to ensure precision, especially after heavy use. This feature is crucial for professionals or frequent travelers who rely on consistent performance.
By considering each of these attributes, consumers can choose the best tire inflator pressure gauge tailored to their needs.
How Does a Digital Readout Enhance Accuracy and Ease of Use?
A digital readout enhances accuracy and ease of use by displaying measurements in a clear numerical format. This format reduces the risk of human error associated with analog gauges that require interpretation. Digital readouts provide immediate readings, allowing users to assess values quickly. They often include features like backlighting, which improves visibility in low-light conditions. Digital readouts also maintain consistent calibration, ensuring that users receive accurate information every time.
To understand the benefits, consider these components: measurement accuracy, readability, speed of assessment, and calibration consistency. Each component contributes to the overall effectiveness of the digital readout. Accurate measurements help users make informed decisions. Readability ensures that users can easily interpret the results. Quick assessments prevent delays in operations. Consistent calibration mitigates inaccuracies over time. Together, these aspects improve the overall user experience in various applications.
Why is Backlighting Beneficial for Nighttime Tire Checks?
Backlighting is beneficial for nighttime tire checks because it illuminates the tire surface, making it easier to see tire conditions such as wear, pressure indicators, or any potential damage. This illumination enhances visibility and reduces the risk of overlooking critical details during inspections.
The National Highway Traffic Safety Administration (NHTSA) emphasizes the importance of regular tire maintenance for vehicle safety and performance. Properly maintained tires are crucial for handling, fuel efficiency, and overall vehicle safety.
The benefits of backlighting for nighttime tire checks can be understood through a few key points. First, it helps highlight any visual abnormalities in the tire. This includes checking for uneven tread wear, cracks, or bulges. Second, backlighting can reveal low air pressure indicators, as many tire pressure monitoring systems (TPMS) use lights or colored indicators that become visible in the dark. Third, proper illumination aids in safely utilizing tools, such as tire gauges or pumps, during checks.
Backlighting refers to the use of light sources behind the object to enhance its visibility. In the context of tire checks, it can be achieved using LED lights or rechargeable flashlights. LED stands for Light Emitting Diode, a type of light that is energy-efficient and bright, making it ideal for illuminating areas like tires at night.
When performing a tire check, several specific conditions are vital. If the tire tread depth is shallow, it increases the risk of hydroplaning in wet conditions. Uneven tire wear can indicate misalignment or improperly inflated tires. For example, a tire with a bulge may indicate internal damage, which can be more easily spotted under backlighting. Additionally, low tire pressure can affect fuel efficiency; thus, checking for it should be part of regular inspections. Emergencies, such as getting a flat tire at night, underscore the need for proper visibility while conducting tire checks.
What are the Advantages of Using a Tire Inflator Pressure Gauge Regularly?
Using a tire inflator pressure gauge regularly offers several advantages that enhance vehicle safety and performance.
- Safety Improvement
- Fuel Efficiency
- Tire Longevity
- Enhanced Performance
- Cost Savings
- Convenience
Using a tire inflator pressure gauge regularly provides benefits that can improve vehicle operation markedly. Each point offers practical insights into why this practice is advantageous.
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Safety Improvement: Using a tire inflator pressure gauge regularly improves safety by preventing underinflated or overinflated tires. Proper tire pressure contributes to vehicle stability and braking performance. According to the National Highway Traffic Safety Administration (NHTSA), approximately 11,000 accidents occur annually in the U.S. due to tire-related issues. Consistent checking can mitigate these risks.
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Fuel Efficiency: Using a tire inflator pressure gauge regularly enhances fuel efficiency. When tires have the correct air pressure, vehicles consume less fuel. The U.S. Department of Energy reports that under-inflated tires can decrease gas mileage by up to 3% for every 1 PSI drop in pressure. Keeping tires properly inflated reduces fuel costs, which can be significant over time.
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Tire Longevity: Using a tire inflator pressure gauge regularly extends tire lifespan. Proper inflation reduces uneven wear and tear on tires, which is crucial for maintaining their resilience. A study by the Rubber Manufacturers Association found that properly inflated tires can last 25% longer than those that are not. This preservation reduces replacement costs and promotes environmental sustainability.
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Enhanced Performance: Using a tire inflator pressure gauge regularly improves vehicle performance. Adequate tire pressure ensures optimal contact with the road surface, which aids in handling and traction. Inconsistent pressures can lead to reduced responsiveness and control. This can particularly impact driving during adverse weather conditions, such as rain or snow.
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Cost Savings: Using a tire inflator pressure gauge regularly fosters significant cost savings over time. By ensuring proper tire inflation, vehicle owners can avoid premature tire replacements and decrease fuel expenses. According to a AAA report, drivers can save up to $0.15 per gallon by maintaining recommended tire pressure, which adds up for frequent drivers.
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Convenience: Using a tire inflator pressure gauge regularly offers convenience in vehicle maintenance. Many tire inflator pressure gauges are portable and easy to use, enabling vehicle owners to perform checks at home or while traveling. Regular usage helps in facilitating a more proactive approach to tire care instead of reactive measures after flat tires or blowouts.
How Can You Ensure Optimal Results with Your Tire Inflator Pressure Gauge?
To ensure optimal results with your tire inflator pressure gauge, regularly check its accuracy, maintain proper gauge handling, and ensure correct usage techniques.
Regularly check accuracy: Consistently verify your tire inflator pressure gauge against a known accurate gauge. Calibration helps ensure precise readings. The National Institute of Standards and Technology recommends checking gauges periodically to maintain reliability.
Maintain proper gauge handling: Handle your pressure gauge carefully to avoid damage. Store it in a protective case when not in use. Physical shocks or exposure to extreme temperatures can affect its accuracy and performance.
Ensure correct usage techniques: Follow these steps for effective usage:
– Remove the valve cap and clean the valve to prevent dirt or debris from affecting the reading.
– Attach the gauge firmly to the valve stem. An improper seal can cause inaccurate readings.
– Read the gauge quickly after inflation. Pressure can drop if you leave the gauge on the valve stem too long.
– Know your tire’s recommended pressure, usually found on a sticker inside the driver’s door or in the owner’s manual.
By adhering to these practices, you will enhance the accuracy and reliability of your tire inflator pressure gauge, contributing to better tire maintenance and safety on the road.
What Are Common Mistakes to Avoid When Using a Tire Inflator Pressure Gauge?
Common mistakes to avoid when using a tire inflator pressure gauge include incorrect gauge calibration, improper gauge attachment, neglecting temperature effects, and overlooking valve caps.
- Incorrect gauge calibration
- Improper gauge attachment
- Neglecting temperature effects
- Overlooking valve caps
Addressing the common mistakes is crucial for accurate tire inflation.
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Incorrect Gauge Calibration: Incorrect gauge calibration refers to a tire pressure gauge that does not display accurate readings. A miscalibrated gauge can provide readings that are either higher or lower than the actual tire pressure. For instance, a study from Tire Rack indicates that low-quality gauges can be off by as much as 3 psi (pounds per square inch). Regular calibration checks are essential for maintaining accuracy.
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Improper Gauge Attachment: Improper gauge attachment occurs when the gauge is not firmly connected to the tire valve. This can cause air to escape, leading to inaccurate pressure readings. It is important to quickly and firmly press the gauge onto the valve to prevent air loss. Failure to do this can inflate tires inadequately or excessively, both of which can be dangerous.
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Neglecting Temperature Effects: Neglecting temperature effects is a mistake often made by users. Tire pressure can change with temperature fluctuations; for every 10°F change, tire pressure can rise or fall by about 1 psi. The American Automobile Association (AAA) recommends checking tire pressure when tires are cold for the most accurate readings.
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Overlooking Valve Caps: Overlooking valve caps refers to not replacing or inspecting tire valve caps. Missing caps can lead to dirt and moisture entering the system, which can affect tire pressure accuracy. The National Highway Traffic Safety Administration (NHTSA) emphasizes the importance of valve caps, as they help maintain tire pressure and prevent valve damage.
Awareness of these common mistakes can lead to safer and more efficient tire inflation practices.
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