Softub gasket for LARGE jet wall fittings, part# 2005500. Used since DAY 1.
New grey silicone design is more durable for off pH and will not degrade or become ‘gummy’ with normal use. (very hard OR very soft water, as well as acidic pH will damage these, so keep your balance on!)
Ribbed design bites into liner to assure water tight seal, flat side against wall fitting. Also used for light gaskets as well - interchangeable.
Use a SMALL amount of silicone grease to lube before install. This allows gasket to slide on liner to prevent ‘grab’ when tightening.
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