Yesterday I recieved my shipment of a drain/vent screw for my L/U and in the pack was two seals for each screws; however, they were yellow. Whenever i purchase seals at my local shop they are blue. Can somebody tell me what the difference is with these bc I have no idea? The yellow ones appear to be harder , however, when i tightened them down they squished becasue i could see then inbetween the head os the screw and the housing in the lower uit! Will these seel properly or should i purchase the blue ones??? Quicksilver brand screws.....
