attwood 8838US6 Universal Male and Female Sprayless Connector with Thread Sealant High-strength body engineered to withstand tough marine environments Pre-applied fuel-grade thread sealant prevents leaks and saves you time Compatible with 3/8 inch fuel lines, ethanol blended fuels and all original equipment manufacturer (OEM) brand engines Meets all EPA and CARB (California Air Resources Board) Requirements Attwood develops high value, engineered marine products to make life on the water easier to enjoy Includes male and female Universal Sprayless Connectors Compatible with 3/8" and 5/16" fuel lines Female connector includes check valve that automatically closes upon disconnecting