4.0" BUNA-N Gasket - Flanged

Flanged 4.0" BUNA-N Tri-Clamp Gasket - stays in place when you open your 4.0" Tri-Clamp connection. Perfect for no-worry hop additions! This tri-clamp gasket is made from BUNA-N rubber. These work great for those situations where you need a gasket with a high temperature tolerance - like with hot (boiling) water or steam - AND perform well when exposed to a variety of cleaning and sanitizing substances.