Valmar Marine Fuel Line Primer Bulb (5/16")

Part Number: VLM 21321
Alternate Number: 50-21321

Meets all EPA, CARB, USCG and ABYC Requirements

• High output primer bulb with 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.
• Fits 5/16 inches ID Fuel Hose