Plastic Hose Barbs

and Connectors, North America made Poly Hose Barb connectors. These have been tested and are strong for aeration installation in the elements.

Sioux Chief 5/16 inch Coupling X 5/16 inch Barb Plastic

Female Thread Hose Adapter - 3/4 FPT X 1 Hose - Pond Supplies Canada

Non-Metallic Fittings - Rubber Fab

Barb x Barb Plastic Tube Connectors - Plastic Tube Connectors - Plastic Tube Fittings - Plastic Fittings

Buy $0.69 Midland, 33099P

Plastic Hose Barb Connectors

Nylon Tee Hose Barb Fittings

Plastic Hose Barb Reducer Fitting Barbed Reducing Union - Temu Canada

Quickun Plastic Hose Barb Fitting, 5/8 Barb to 1/2 Male Thread White Adapter Union Fitting (Pack of 5) : Industrial & Scientific

Barb Fittings of PVC, Plastic, Nylon, Polypropylene & other materials Barb Fittings, Tees, Adapters, Crosses, Reducing Couples, Couplings & more

Insert Fittings - Adapter 3/4 Barb x 1 Spigot

Buy $0.67 Midland, 33433W

Masterflex® Fitting Kit, Black Nylon, Straight and Reducer, Hose Barb, Large Fittings; 1 Set