Designed for use with Type 1 Safety Cans. It is FM-approved, self-venting, self-locking , and made of high- density caution-yellow polyethylene with good impact strength. Measures 9" long with smaller end. 7/8" I.D. and 1-1/8" O.D. Funnel fits snugly on the can or may be detached and placed in a gas tank.