EPA Rated Primer Bulb - with 1/4" Hose Barbs

All Scepter primer bulbs feature gasoline and solvent-resistant construction, stainless steel clamps, and dual internal check valves to ensure a more rapid prime while preventing fuel backflow.

• Primer bulb has dual internal check valves to markedly reduce backflow
• High flow capacity for quick priming
• Gasoline and diesel rated bulb meets USCG B1-15, SAE J1527, ISO-8469, Class 1, and CE "Low Permeation" standards

Special ECO features —
• Meets all EPA and CARB (California Air Resources Board) standards
• Low fuel vapor permeation
• Meets 40 CFR 1060.102 "Low Emissions" requirements