Description How to Replace SportDiver O-Rings How to replace O-ring: Lift and remove O-ring from their grooves using the O-ring removal tool. Clean the O-ring grooves using a dampened, lint-free cotton cloth. Apply thin film of SeaLife Silicone O-ring lube (item SL9807) to the new O-ring. Use fingertips to evenly spread the lube. Don’t stretch the O-ring. Install new, lubed O-ring in their groove being careful not to twist the O-ring. Check that O-ring is clean and evenly seated in its groove. What’s Included One (1) O-ring for SeaLife ReefMaster RM-4K Housing
