SIERRA MARINE EPA PRIMER BULB-5/16IN|18-8004EP-1

I.D.: 5/16" or 7.9mm Bulb Type: Large Capacity Sierra is a leading supplier of primer bulbs to the marine aftermarket We use double check valves with viton balls and stainless steel springs Both EPA/CARB certified Utilizes Floroelastomer (FKM) material for traditional look and operation