Dixon Valve 3505 Male Nipple, Adapter, Connection: 1/4 Inch Male NPT x 3/8 Inch Male Barbed Hose, Hex Size: 7/8 Inch, Hose Size: 3/8 Inch, Steel, Zinc-Plated, Pressure: 600 psi, Temperature: 70 deg F, 3-3/16 Inch Length