The Homebrew Stuff Stainless Steel End Cap for 1.5" Sanitary Tri Clamp Clover Sanitary hose connections just like the professional breweries use. 2" diameter disc on two fittings are clamped together with a high temp silicone gasket in between, providing a clean efficient connection for valves, hoses, etc. Made of food Grade 304 Stainless Steel Please check our other Homebrew Stuff listings for more accessory parts.