1/4" ID Euro Style Hose Barb Air Chuck | Milton Industries — Milton® Industries Inc.
Amazon.com: WHK 12 PACK Air Hose Repair Kit Fittings 3/8 Barb to 1/4 NPT Air Hose Barb Connectors with Sealant Air Line Coupler, Brass Pipe Fittings Male Threaded with 12 Pcs Hose
Amazon.com: Boeray 5pcs Brass Hose Barb Fittings 5/16 Inch Barb to 1/4 Inch Male NPT Thread Air Hose Fitting Adapter : Industrial & Scientific
1/4" Ball Swivel Barb x 1/4" NPT Male Brass Air Tool Hose Fittings - 5 – Tool Guy Republic
1/4" Hose Barb M-Style® Push On and Lock Coupler — Milton® Industries Inc.
Proline Series 5/16-in x 1/4-in Barbed Barb x Mip Adapter Fitting in the Brass Fittings department at Lowes.com
3/8" X 1/4" MNPT Brass Air Hose Barb Fitting For 3/8" Hose – compressor -source
Amazon.com: 2 pcs 1/2" Barbed Brass Hose Barb Bulkhead Fitting Thru-Bulk Through-wall fitting Panel mount couplings for Water Fuel Air : Industrial & Scientific
Air Hose Fitting 3/16" barbed to 1/4" male threaded – Cleaveland Aircraft Tool
1AS1-B Dixon Brass Air Chief A Series Quick-Connect Coupler (Semi-Automatic Push to Connect) - Hose Barb - 1/8" Body Size x 1/8" Hose ID — HoseWarehouse