Attwood 8838HF6 Universal Female Hose Sprayless Connector, 5/16" - 3/8" Hose Female hose fitting compatible with 3/8" and 5/16" fuel lines Connectors designed to automatically seal if accidentally ripped apart Universal Sprayless Connector replaces traditional tank fittings and eliminates spray when connecting or disconnecting fuel fittings Compatible with 3/8" and 5/16" fuel lines Female connector includes check valve that automatically closes upon disconnecting Compatible with all OEM brand engines Meets all EPA and CARB requirements