I'm going to be getting some of the tire pressure valve caps for my Mom's two cars as a present this year. I've seen what seem to be a number of different ones. Only one so far explains what the colors mean....Green w/n 3psi Yellow 4psi & Red 10 psi or greater underinflation.
Just wondering if there's one specific brand that anyone here would recommend.
Just wondering if there's one specific brand that anyone here would recommend.
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