SeaSense Outboard Motor Primer Bulb

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 and CARB compliant.