BIG Marine Primer Fuel Bulb for Boats & Rvs - For 3/8'' Hose . Five Oceans
This Five Oceans primer bulb is designed with 3/8 barbed connectors on both ends.Suitable for Boats, RVs, Tractors, and Caravans, this rubber bulb is made from new materials that let you use it in a wide temperature range. Premium quality rubber bulb with built in check valve offers superior resistance to U/V, ozone and alcohol enhanced fuel.