1/4 barbed to male tube fitting fits with a 1/4 female inside thread tube fitting to allow a flexible hose to attach to water or air tools.
For 1/4 in Hose I.D., Hose Barb x NPT, Barbed Hose Fitting - 6AFN2
BuildYourCNC - Check Valve (One-Way Valve) for 1/4 ID tube
4mm (5/32)Hose Tail x 1/4 BSPT Male Straight Tefen Blue Nylon Plastic Fitting x Barbed Hosetail UK Stocked
Parker 129Hb-4-6 Hose Barb 90 Degree Elbow 1/4 Hose X 3/8 Male
JoyTube Plastic Hose Barb Fittings 1/4 Barb X 1/4 NPT Male Thread Adapter Connector Pipe Fittings (pack of 6) : Industrial & Scientific
1/4 NPT female to 1/2 NPT male tube fitting fits with a 1/4 barbed to 1/4 male tube fitting to allow a flexible hose to attach to pneumatic and
Tube Fitting 1/4 NPT Female Inside Thread to 1/2 NPT Male Outside Thread
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KOOTANS 4pcs 1/4 Hose Barb to 1/4 NPT Male Brass Quick Coupler Air M Type Fitting Quick-Connect Fitting : Industrial & Scientific
Lawrence M's Table Bed Support
Brass Male Barb Tee Piece Air Fitting BSP - Hose Factory