Fill Up Your Tires Whenever You Damn Well Please With This $21 Compressor

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When your tires get low, you’ve got two choices. You could scrounge together some quarters, drive to a gas station, fumble around with the filthy air hose, and run out of time after filling three tires. Or, you could just buy a compressor to keep in your trunk, and top off your tires whenever you want, for free. This one’s only $21 today, and even includes a warning light if you have to use it on the side of the highway.