JMF Company 5/8 in. Flare X 5/8 in. D Flare Brass Union - Ace Hardware

JMF Company 5/8 in. Flare X 1/2 in. D Male Brass Connector

Brass Fittings - Plumbing Supplier - Ritter Lumber

JMF Company Compression Nut - Ace Hardware

Anderson Metals 754040-10 Tube Cap, 5/8 in, Flare, Brass - 5 Pack, MID Hardware

JMF Company 1/4 in. Flare X 1/4 in. D Flare Brass Union - Ace Hardware

Everbilt 5/8 in. Flare x 1/2 in. MIP Brass Adapter Fitting 801399 - The Home Depot

LASCO 17-6221 5/16-Inch Compression Brass Union : Everything Else

JMF Company 3/8 in. Fine Female Flare X 3/8 in. D Male Compression Chrome Adapter

JMF Company 3/8 in. Compression Compression Brass Insert