Krylon makes "shaker cans" of plastic paint. You might be able to mask off your current reefer vent and spray paint it black for $2.88. That will get you through a couple of years before you'd need to repaint it, by then, everyone may be going to some other color.... LOL
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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