Invincible Marine Gen III Universal Primer Bulb 5/16 Inch 3/8 Inch

Made from tough climate tested rubber Spring-loaded double check valves Stainless steel hose clamps Speed Prime technology Fits both 5/16″ and 3/8″ fuel lines|Options:PRIMER BULB 5/16″ & 3/8″ EPA APPROVED
Made using the highest quality components
Performance and quality tested
The most trusted name in marine accessories and equipment