All in 1 primer bulb, has threaded ends & changeable fittings to accommodate 1/4", 5/16" & 3/8" i.d. Fuel hose, double check valves to hold prime longer, oversized directional bulb works on all hp outboard motors, uv inhibitors protect it from prolonged exposure to sun, epa & carb compliant.
WARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov