Keep rubber, plastic and metal on dive gear thoroughly lubricated with Silicone Grease by GEAR AID. Over time, these essential parts can wear out and dry up. Protect and condition O-rings, valve systems and regulator components on all dive gear with quality food grade (non-edible) silicone grease. This handy, long-lasting silicone lubricant is specially formulated to permeate rubber surfaces. When you need to protect against moisture and degradation, reach for Silicone Grease for a better seal and longer gear life. .25 oz.