30 ft (3/8 in I.D.), 3/8 in Hose Barb x 1/4 in MNPT, Spring Return

Steel Air or Water Spring-Return Hose Reels - Grainger Industrial Supply

1/4 Universal Coupler - 3/8 Hose Barb

Solution4patio Air Hose 3/8 in. x 25 ft. Both 1/4 in. MNPT End Solid Brass Fittings, 300 PSI, Lightweight Air Compressor Replacement Hose, Weather Resistant, 12 Year Warranty #G-H730B04, Hoses - Canada

Hybrid Air-Hose,3/8x6FT. 1/4 in. MNPT Fitting,Air Compressor Hose, Industrial Flexible Lead Hose,300PSI by Giraffe : : Tools & Home Improvement

ANPTGHT Plastic Hose Barb Fitting, 3/8 Barb X 1/4 NPT Male Thread Adapter Connector Pipe Fittings for Fuel Gas Liquid Air (Pack of 5), Pipe Fittings - Canada

1/4 Universal Coupler - 3/8 Hose Barb

Made from rough brass, this basic yet effective hose barb adapter from PlumbShop lets you make all your plumbing connections with ease. The 1/4-inch

PlumbShop Brass Hose Barb Adapter, 1/4-in MIP x 3/8-in ID Hose

LTWFITTING 3/16 in. I.D. Hose Barb x 1/8 in. FIP Lead Free Brass Adapter Fitting (5-Pack) HFLF39153205 - The Home Depot

Flexzilla 3/8 in. x 50 ft. Air Hose, 1/4 in. MNPT Fittings at Tractor Supply Co.