Brass Hose Barb 25Mi x 25mm Hose from Reece

B-Press Water Reducing Coupling 32mm x 25mm from Reece

122HB-3 - Brass Hose Barb Fittings

Pipe & Fittings

LTWFITTING 3/8 in. ID Hose Barb x 1/2 in. FIP Lead Free Brass Adapter Fitting (25-Pack) HFLF39156825 - The Home Depot

Pipe & Fittings

Pipe & Fittings

Joywayus 5/16 x 5/16 Hose Barb Thru-Bulk Head Hex Union 90 Degree L Right Angle Elbow Barbed Brass Fitting with Flat Washer Gasket Water/Fuel/Air : Industrial & Scientific

Pipe & Fittings

Coupling for connecting a hose to a pipe or fitting Hose barb on one end and female UNF right hand threads on the other Brass for corrosion

Dixon OA61 Oxygen Hose Brass Fitting, Coupler, 9/16-18 UNF Right Hand Female, 1/4 Hose ID Barbed