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

3/8 Female x 3/8 Male x 3/8 Compression Outlet Lead Free Brass Max Adapter

LTWFITTING 3/8 in. OD Comp x 1/2 in. FIP Brass Compression Adapter Fitting (5-Pack) HF666805 - The Home Depot

LTWFITTING 1/4 in. O.D. Comp x 3/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF684605 - The Home Depot

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

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

PROFLO® 1/2 OD x 3/8 in. MIP Compression Reducing Brass Adapter

Everbilt 1/2 in. x 3/8 in. Female OD Compression Brass Reducing Coupling Fitting 800899 - The Home Depot

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

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JMF 1/2 in. Compression x 3/4 in. Dia. FPT Brass Compression Adapter : Industrial & Scientific

Viega 79315 3/4 Female ProPress Adapter