Haynes Lubri-Film provides a protective coating to all the metal parts of your extracting equipment. A thin film will retain effectiveness on bearings, slides, and other lubricated surfaces despite moisture. By staying on the work area, corrosion of metal is minimized. This sanitary lubricant is highly resistant to separation or bleed. It will not dry or gum on your equipment. This lubricant is NSF rated H1, Kosher Certified, Halal Certified, and the ingredients are FDA approved. 4 oz tube