Brass, For 3/8 in x 3/8 in Tube OD, Union Elbow - 1PZZ6

Everbilt 3/8 in. x 3/8 in. Comp Brass Coupling 800759 - The Home Depot

Compression elbows are made for low to medium pressure applications. This elbow features a compression fitting on one side and a male pipe thread

3/8 in. O.D. Compression x 1/2 in. MIP 90-Degree Brass Elbow Adapter Fitting

Brass, 1/2 in x 3/8 in Fitting Pipe Size, 90° Reducing Street Elbow - 20XP09

Everbilt 3/8 in. O.D. Compression x 1/2 in. MIP 90-Degree Brass Elbow Adapter Fitting 800679 - The Home Depot

LTWFITTING 3/8 in. O.D. x 1/2 in. MIP Brass Compression 90-Degree Elbow Fitting (20-Pack) HF696820 - The Home Depot

LTWFITTING 3/8-Inch OD Compression Union,Brass Compression Fitting(Pack of 10) - Compression Fitting Ferrules

3/8PTC x 3/8PTC 90° Brass Elbow Union