Keep rubber, plastic and metal thoroughly lubricated with this 100% pure food-grade (but don’t eat it) silicone grease. Rubber, metal and plastic parts can wear out and dry up when you’re not paying attention. So be sure to protect and condition your O-rings, valve systems and regulator components on all your dive gear with Silicone Grease by Gear Aid™. You’ll find lots of uses for this handy, long-lasting silicone lubricant that’s specially formulated to permeate rubber surfaces. Try it on underwater cameras, waterproof dive lights, pressure systems, pipe fittings—anything you want to protect against moisture and degradation.