Brass Hose Barb Fitting,Connector,6mm Barb x G1/4 Male Pipe Adapter - Gold Tone - 1/4" G x 6mm - Bed Bath & Beyond - 27575286
Barbed Male Hose Adapters - Aquascape, Inc.
VADAPT-1/16-1/8, Barbed Hose Adapter - Virtual Industries - Official Site of Virtual Industries
LTWFITTING 1/4 in. x 3/8 in. I.D. Brass Hose Barb Reducer Splicer Fittings (50-Pack) HF3913R060450 - The Home Depot
Dixon Valve & Coupling - Barbed Hose Fitting: 1/8″ x 1/4″ ID Hose, Adapter - 81099483 - MSC Industrial Supply
Proline Series 1/2-in x 3/4-in Barbed Barb x Garden Hose Adapter Fitting in the Brass Fittings department at Lowes.com
Apollo 1 in. x 1 in. Brass Barb x MPT Adapter POLYBIM1 - The Home Depot
Amazon.com: Brass Hose Barb Reducer, 1/4" to 3/8" Barb Hose ID, Reducing Barb Brabed Fittings Splicer Mender Union Air Gas Water Fuel Line Heater Garden Pond Poly Tubing Adapter (Pack of 2) :