LTWFITTING 1/2 in. O.D. Brass Compression Coupling Fitting (20-Pack) HF62820 - The Home Depot

This LTWFITTING Compression Unions are made of brass for durable. Designed for use with aluminum, copper and plastic tubing. Not for use with steel

LTWFITTING Brass 1/4-Inch OD x 1/2-Inch Male NPT Compression

Sioux Chief 1/4 inch Brass Compression Nut with Insert

LTWFITTING Assortment Kit 1/4 3/8 1/2 5/8 in. OD Compression Inserts, Brass Compression Fittings(Pack of 200) HF63PT46810MIX50 - The Home Depot

LTWFITTING 5/8 in. O.D. x 1/2 in. O.D. Brass Compression Reducing Coupling Fitting (5-Pack) HF62R10805 - The Home Depot

Brass Fittings - Pipe & Fittings

Brass Fittings - Pipe & Fittings

LTWFITTING 1/2 in. O.D. Comp Brass Compression Tee Fitting (5-Pack) HF64805 - The Home Depot

Brass Fittings - Pipe & Fittings

LTWFITTING 5/8 in. O.D. Brass Compression Coupling Fitting (5-Pack) HF621005 - The Home Depot

The Plumber's Choice Brass Compression Coupling Fitting, with Packing Nut, 1 in. Nominal Fitting x 5 in. Length (12 Pack) 2322LCR-12 - The Home Depot

LTWFITTING Brass 1/2-Inch OD x 1/2-Inch Male NPT Compression

LTWFITTING 1/2 in. O.D. Brass Compression Coupling Fitting (20-Pack) HF62820 - The Home Depot

Sioux Chief 3/8 inch Compression Coupling Lead Free

Everbilt 1/2 in. Compression Brass Sleeve Fittings (3-Pack) 801169 - The Home Depot