Compression fitting - Female reducing adapter - Master Plumber®

Master Plumber® repair plumbing part - 367C - Compression fitting - Female reducing adapter

Brass Reducing Coupling - 1/2 to 3/8 Female Pipe Thread

Male X Female Dual Master Cylinder Adapter

PlumbShop's solid brass compression fitting is a must have for any plumbing job. The size of 1/2 F.I.P. thread works with 3/8 O.D. tubing, perfect

PlumbShop Brass Compression Fitting, 3/8-in OD x 1/2-in FIP, 1-pk

China Quick Connector PP Plumbing Fittings Plastic End Cap Adaptor For Water Supply Manufacture and Factory

Compression fitting - Male reducing adapters - Master Plumber®

MASTER PLUMBER Specialized Fittings - Plumbing

Stainless Steel 1/4” Male NPT to 1/4” FFL Coupling Adapter - Canuck Homebrew Supply, Canada

Compression fitting - Sweat reducing adapters - Master Plumber®

Brass Fitting 103D - 1/2 Female - 1/2 Female Pipe for Natural Gas

Compression fitting - Union - Master Plumber®

How to know if I have compression fittings - Quora

Tube Fittings and Adapters, Fittings, All Products

Sioux Chief 3/8 inch Compression Adapter X 1/4 MIP Lead-Free