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I’ve been assembling a cooler MLT recently, and when I showed it to a freind he advised that he’s not sure if neoprene washers are food safe. (‘m using an SS washer on top of a neoprene washer to seal the pipe nipple to the cooler wall) I don’t think it’s a huge concern, but I just thought I’d throw the question out there to see if anyone has some insight.
