SeaChoice Fuel Primer Bulb 5/16" Inch Black

SeaChoice 21321 Fuel Primer Bulb 5/16" Inch Black. High output primer bulb-60% more output per pump than leading competitors. High flow double check valves ensure fast priming and low-restriction fuel flow to your engine. Compatible with ethanol blended fuels. Engineered low permeation material prevents primer bulb fuel evaporation, saving fuel and money while protecting air quality. Engineered to maintain flexibility and prevent collapse in extreme temperatures. Industry leading vertical fuel draw for priming in any application. Meets maximum 15 grams/m2/day permeation allowance as demonstrated through California Air Resources Board test TP-512. Low perm primer bulb replaces air in fuel lines for fast engine priming with fewer strokes to prime Industry leading vertical fuel draw for priming in any application. High flow double check valves. UV inhibitors ensure lasting durability. For use with 5/16 inch inside diameter fuel hose.