1/4 NPT to 5/16 (8mm) Hose Barb Fitting, Brass - Straight | Pegasus Auto Racing Supplies
Proline Series 1/2-in x 1/2-in Barbed Barb x Fip Adapter Fitting in the Brass Fittings department at Lowes.com
Amazon.com: Legines 1/8" NPT Male to 1/4" Barb Fitting, Brass Hose Barbed Male Adapter Connector Straight, 2 pcs : Industrial & Scientific
Brass Male Hose Barb Fittings
Hose Barb to Pipe
Hose Barb - 1/2 in. barb, 90 degree elbow for H308 | MoreBeer
Hose Barb for Keg Coupler - Brew Magic
Amazon.com: Brass Hose Barb Reducer, 3/8" to 5/16" Barb Hose ID, Reducing Barb Brabed Fittings Splicer Mender Union Air Gas Water Fuel Line Heater Garden Pond Poly Tubing Adapter (Pack of 2) :
Male Metric to Hose Barb Adapters - Vibrant Performance
304 SS Hex Hose Nipple - 2" ID Hose Barb x 2" Male NPT