Attwood's Universal Primer Bulbs are designed to provide up to 60% more priming output than the competition while exceeding EPA and CARB requirements for fuel evaporation. Our exclusive three-layer design resists collapsing and hardening and ensures high output in temperatures ranging from 18°F to 122° F. Low-permeation material prevents evaporation. Includes dual high-efficiency check valves.
- 1/4 inch model
- Exclusive three-layer construction prevents collapse under vacuum and ballooning/bursting under pressure
- Exclusive high-efficiency check-valves for faster priming and low fuel restriction (less than 1kpa restriction at 50 liters/hour)
- Engineered hose barbs and stainless steel steeples clamps for leak-free performance
- Compatible with Ethanol blended fuels