Proplus Part # 272384 - Proplus 3/8 In. X 1/2 In. Lead Free Brass Compression Female Adapter - Brass Compression Adapters - Home Depot Pro

Proplus Part # 272402 - Proplus 3/8 In. X 3/8 In. Lead Free Brass Compression Male Adapter - Brass Compression Adapters - Home Depot Pro

Lead-free brass compression adapters are designed for higher pressure applications and easily connect two different-sized pipes. This fitting comes

Everbilt 3/8 in. x 1/4 in. OD Compression Brass Reducing Coupling Fitting 801229 - The Home Depot

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LASCO 17-6759 1/4-Inch Female Compression by 3/8-Inch Male Compression Brass Adapter, Copper - Pipe Fittings

PROFLO® 3/8 x 1/2 in. OD Compression x FIP 200 psi Brass Adapter

BRASSCRAFT 462-6-6-1X CD x 3/8 Female Flare Adapter - Electronics

This plumbing pipe coupling is easy to install for the PRO or for the DIYer. It's best used in low to medium pressure installs for water, gas and oil.

Everbilt 3/8 in. x 1/4 in. FIP Brass Reducing Coupling Fitting 801999 - The Home Depot

Viega ProPress 1 in. Press x 3/4 in. FPT Zero-Lead Bronze Adapter (10-Pack) 79325 - The Home Depot

Everbilt 1/4 in. OD Compression x 3/8 in. Flare Brass Adapter Fitting 800779 - The Home Depot

LF4571313 - Uponor (Wirsbo) LF4571313 - 1-1/4 ProPEX x 1-1/4 NPT Female Adapter (Lead Free Brass)

Tectite 3/8 in. (1/2 in. ) Brass Push-To-Connect x 1/2 in. Female Pipe Thread Reducing Adapter FSBFA3812 - The Home Depot

LTWFITTING 3/8 in. O.D. Comp x 3/4 in. FIP Brass Compression Adapter Fitting (5-Pack) HF6661205 - The Home Depot

Everbilt 3/8 in. x 1/4 in. OD Compression Brass Reducing Coupling Fitting 801229 - The Home Depot

Everbilt 3/8 in. x 1/4 in. OD Compression Brass Reducing Coupling Fitting 801229 - The Home Depot

LASCO 17-6761 1/2-Inch Female Compression by 3/8-Inch Male Compression Brass Adapter, Copper - Pipe Fittings