Dixon Valve & Coupling 3HF3-S Hydraulic Hose Fittings & Couplings; Type: H-Series ISO-B Poppet Valve Female Threaded Coupler ; Fitting Type: Coupler ; Hose Inside Diameter (Decimal Inch): 0.3750 ; Hose Size: 3/8 ; Material: Stainless Steel ; Thread T