U.S. Solid 2pcs Brass Reducer Hex Bushing Brass Threaded Pipe Fitting 1/4 NPT Male x 1/8 NPT Female Adapter - U.S. Solid

Brass Pipe fitting, 3/8 SAE Flare Male 1/4 SAE Female Thread, Tube Adapter, 2Pcs

U.S. Solid 2pcs Brass Reducer Hex Bushing Brass Threaded Pipe Fitting (1/2 NPT Male x 1/4 NPT Female)

U.S. Solid Brass Pipe Fitting, Hex Nipple, 1/8 x 1/8 NPT Male Pipe Adapter (2 pcs)… - U.S. Solid

1/4 Male x 1/8 Female NPT Hex Bushing Adapter Pipe Reducer Brass Fit – compressor-source

LTWFITTING Assortment Kit 1/8" 1/4" 3/8" 1/2" 3/4" NPT Brass Pipe Street Elbow Set (16-Pack) HF310MIX - The Home Depot

Lot 2 M12x1 M12x1.25 M12x1.5 M12x1.75 Female - Sizes Male Brass Female-male Thread Reducer Bushing Pipe Fitting Pressure Gauge - Pipe Fittings - AliExpress

Brass 1/8 1/4 3/8 1/2 Female to Male Threaded Hex Bushing Brass Pipe Connectors - Brass Coupler Adapter Threaded Fitting - AliExpress

U.S. Solid

U.S. Solid 2pcs Brass Reducer Hex Bushing Brass Threaded Pipe Fitting 1/4 NPT Male x 1/8 NPT Female Adapter

Winmien Brass Reducer Hex Bushing NPT Male to NPT Female Threaded Pipe Fitting Tube Adapter Convert. (3/4 NPT Male to 3/8 NPT Female，5 packs)