Dixon Air Chief Steel Industrial Coupler 3/8 in. Hose Barb x 1/2 in. Body - John M. Ellsworth Co. Inc.
JOROY 3/8 High Flow Air Hose Fittings, Industrial M-Type Plug, 3/8 Inch High Flow Size, 1/4 Inch Male Threads Size, Steel Material, 300PSI, 10 Pieces Air Compressor Accessories - Amazon.com
Binks 72-1325 Air Hose Fitting 3/8" Hose X 1/4" Nps Swivel
Air Fitting Kit 3/8" Line
Kobalt 3/8-in Auto Coupler/Plug Kit at Lowes.com
Air Hose Fitting, Push On, Male Connector 3/8 In. X 3/8" - NP68-6-6 | The Jack Olsta Co.
Tacoma Screw Products | 3/8" H x 3/8" NPT Air Brake Brass Fitting for Rubber Hose - Male Connector (with Spring Guard)
Dixon Reusable Fitting 3/8 in. ID x 5/8 in. OD Hose x 3/8 in. Male NPTF - John M. Ellsworth Co. Inc.
3/8 Air Pro Air Hose with 3/8 NPT Reusable Fitting
10 Pack 3/8" x 1/4" MNPT Pipe Thread Brass Air Hose Barb Fitting For 3 – compressor-source
UNION, RUBBER AIR HOSE, 3/8" === 1013
Husky 5-Piece 1/4 in. NPT x 3/8 in. Automotive-Style Quick-Connector Coupler Kit HKATA091002 - The Home Depot
Reusable Hose Barb - 3/8" NPT X 3/8" ID - 5/8" OD hose - Air Hose FIttings | eBay
Rapid Air F0240 3/8" Push On Hose Fitting X 1/4" Male Npt
PARKER, 3/8 in Body Size, 1/4 in Hose Fitting Size, Quick Connect Hose Coupling - 30N281|H1E - Grainger