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

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

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

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

Everbilt 3/8 in. Female OD Compression Brass Coupling Fitting 803119 - The Home Depot

Compression - Brass Fittings - Fittings - The Home Depot

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

LF4525075 - Uponor (Wirsbo) LF4525075 - 1/2 ProPEX x 3/4 NPT Male Adapter (Lead Free Brass)

LTWFITTING 3/8 in. O.D. Comp x 1/2 in. MIP Brass Compression Adapter Fitting (5-Pack) HF686805 - The Home Depot