JMF Company 3/8 in. Compression X 3/8 in. D Compression Yellow Brass Union - Ace Hardware

JMF Company 1/4 in. Male Compression X 3/8 in. D Female

Anderson Metals 750066-0806 Tubing Coupling, 1/2 x 3/8 in

JMF COMPANY 4338067 Reducing Union 3/8 Compression X 1/4 D Compression Yellow Brass

Anderson Metals 750082-1006 Tube Reducing Union, 5/8 x 3/8 in

COMP INSERT 5/16 BRS

Stine

Brass Fittings - Plumbing Supplier - Ritter Lumber

Anderson Metals Corporation Pipes & Fittings

JMF Company 3/8 in. Flare X 3/4 in. D Female Brass Adapter - Ace Hardware

JMF Company 3/8 in. FPT X 3/8 in. D MPT Brass 90 Degree Street Elbow - Ace Hardware

Dorman 785302 3/16 Compression Fitting, Headers - Canada