Did you know that driving on tires that are 20% under inflated costs you around $.15/gal of gas? (at today's rate of $3.00/gallon) That's $1.50 per 10 gallons or roughly around $2.50 to $3.00 per fill up. When was the last time you checked your tire pressure?

Here's an innovative device that will alert you when your tires are low. At the average cost of $5 each, if your driving around on under inflated tires, these little guys will pay for themselves in no time at all, not to mention you'll also lower your carbon footprint.

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