Seachoice Primer Bulb, 5/16 In., Fuel

Designed for the harsh marine environment, this primer bulb quickly replaces air in the fuel line and ensures fast priming and low-restriction of fuel flow to your engine. Low permeation material prevents primer bulb fuel evaporation, saving fuel and money while also protecting air quality. Suitable for use with ethanol blended fuels and features a multi-layer design that resist ballooning and col