Dow Corning Molykote 111 Oring / Valve Lubricant / Sealant, 1oz (Repackaged for Smaller Applications), Water Resistant Lubricant, Food Grade Lubricant, Dow 111 Genuine Dow Corning 111. Excellent Water Resistance. FDA (Food and Drug Administration) 21 CFR 175.300; NSF (National Sanitation Foundation) Standard 51 & 61 Sealant for vacuum and pressure systems. Rubber and plastic O-rings, gaskets and seals. Sealant for vacuum and pressure systems. Rubber and plastic O-rings, gaskets and seals. 1 Ounce flip-top container