Coilhose Pneumatics - Pneumatic Hose Coupling: 3/8″ Thread, 1/4″ Body Dia, ARO Interchange - 79800041 - MSC Industrial Supply
1/4-Inch Female Coupler Quick Connect, Air Hose & Air Coupler - Pack o – National Supply Company
Kobalt 1/4-in x 3/8-in Adapter at Lowes.com
Amazon.com: Brass 3/8" Barb X 1/4" NPT Male End Air Hose Pipe Fitting Threaded Connector Adapter, Pack of 12 : Industrial & Scientific
Tru-Flate Automotive Quick Coupler Air Hose Fittings 3/8 Body x 1/4 NPT USA MADE | eBay
1/4 Inch Auto Standard Truflate 3/8 Inch Mnpt Air Coupler | 1/4" Air Couplers | Air Couplers | Air Hose & Accessories | Shop Supplies and Safety | Wurth USA
1/4 Male Air Coupler x 3/8 FPT (Automotive Style)
Freeman 1/4 in. x 3/8 in. Industrial Barbed Quick Connect Coupler and Air Hose Repair Kit with Clamp Z1438IBC - The Home Depot
1/4" Flow Standard Coupler-3/8"NPT Female (Industrial)
WYNNsky Industrial Air Coupler and Plug Kit, 3/8 Inch High Flow Body Size, 1 /4 Inch NPT Threads Size, Steel Material, 9 Pieces Air Compressor Hose Accessories Fittings - Amazon.com
Parker Interchanges Tru-Flate, Steel Male Plugs 3/8" x 1/4"