Tire Safety Monitors
Know in a glance if your tires have lost air.
Driving with low pressures reduces tire life, wastes fuel, and can even lead to an accident. Here's the easiest way to keep tabs on your tire pressures. After verifying your pressures are correct, replace your old valve stem caps with our Tire Safety Monitors. You'll see a green indicator on the cap. If pressure drops 2-3 psi or more, a red flag pops out, alerting you to the loss of air. Works on any tire in the 20 - 42 psi range. Simple and ingenious! Sold in sets of 4. | 
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