Attwood's multi-layer 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.
Includes high-efficiency check valves.
Exclusive three-layer construction prevents collapse under vacuum
and ballooning/bursting under pressure
Low-permeation material prevents fuel evaporation
60% more output per pump than leading competitors
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 stepless clamps for leak-free performance
Compatible with Ethanol blended fuels
EPA and CARB certified