3/8" x 1/4" Air Hose Automotive Coupler Fitting - Female NPT | The Fastener Company
4) 3/8" OD Tube X 1/4" NPT Pneumatic Fitting, Push To Connect Air Fitting - Walmart.com
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
Primefit Extreme Performance 1/4 in. x 3/8 in. Brass Push-On Hose Barb Industrial M-Style 6-Ball Coupler (10-Pack) XIC1438PB6-B10-P - The Home Depot
Kobalt 1/4-in x 3/8-in Adapter at Lowes.com
WYNNsky Industrial Air Coupler, 1/4 Inch Body Size, 3/8 Inch FNPT Threads Size, Brass Air Compressor Accessories Fitting - Amazon.com
10 Pack 3/8" x 1/4" MNPT Pipe Thread Brass Air Hose Barb Fitting For 3 – compressor-source
3/8" x 1/4" Air Hose Automotive Coupler Fitting - Male NPT | The Fastener Company
Reusable Fitting for 3/8 Air Pro Air Hose with 1/4 NPT
Husky 3/8 in. Male x 1/4 in. Female Reducer HDA30400AV - The Home Depot
Amazon.com: 3/8 NPT Air Lines Fittings 1/4 OD Tubing Push Connect Air Fittings Quick Connect Tube Fittings Push in Connectors Fittings Air Hose Fittings Pneumatic Fittings Push Lock Fittings PCF 5Packs :
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Coilhose Pneumatics 591 3/8" Male Pipe Thread x 3/8" Body Automotive Style Female Air Coupler
Husky 5-Piece 1/4 in. NPT x 3/8 in. Automotive-Style Quick-Connector Coupler Kit HKATA091002 - The Home Depot
Amazon.com: EilxMag 37 Pcs Quick Connect Air Hose Fitting Kit 1/4" 3/8" 1/2" Push To Connect Air Fittings, Nylon Tubing Air Line Fittings Connectors : Industrial & Scientific