Cla-Val - 21056731D
Air Release Valve - Simple Lever Type CLA-VAL Model 3410AR-116.3 Inlet size: 1" NPTF Outlet size: 1/2" NPTF (1" Size Supplies Std. with 1/2" & 3/4" Bushing Included) Orifice size: 1/16" Pressure rating: 300 psi Ductile Iron ASTM A536 body fusion bounded epoxy coated red RAL 3000 (ext) Stainless steel trim & float FM approved UL listed