A style push type coupler with 3/8" hose barb is easy to use; simply push plug into coupler to engage, pull sleeve back to remove. Made of steel and plated to resist rust, A style couplers have a 3/8" basic flow size. Designed with a hose barb, this coupler is an ideal coupler for hose repair or producing your own hose lengths. Maximum air inlet pressure of 300 PSI and up to 34 SCFM.