Gear Aid Silicone Grease, Lubricates and Conditions Rubber Products and O-Rings, 0.25 oz Lubricates  Get a better seal on o-rings Protects  Deeply soaks into rubber surfaces to fight against cracking and drying All natural  100% pure food grade silicone grease All-purpose  Use on underwater cameras, waterproof dive lights, pressure systems, pipe fittings Packaging may vary Silicone grease lubricates and conditions rubber products such as O-rings and other regulator and valve system components Ideal for breathing apparatus, B.C.D.s, hoses, cylinder O-rings, pressure systems, cameras and more McNett Brand Silicone Grease is specially formulated to permeate rubber surfaces to provide deep, long lasting conditioning Preserves rubber, plastic and metal. Reduces damage caused by sticking or exposure to the elements. Superior oxidation resistance and water repellency