INIRET 4 pack Brass Pipe Fitting,Water pipe adapter, G1/2 inch Female to 3/8 inch Male Reducer Adapter,Compression Fitting for Kitchen Bathroom Faucet, Pipe Connector with Rubber Washer. - - Amazon.com
LASCO 17-6755 3/8-Inch Female Compression by 1/4-Inch Male Compression Brass Adapter - Pipe Fittings - Amazon.com
Compression Fittings W668-68S Adapter
LTWFITTING 1/2 in. O.D. Comp x 3/4 in. MIP Brass Compression Adapter Fitting (20-Pack) HF6881220 - The Home Depot
Compression Tube Adapter x FJIC - 3/8" – Open Source Steel
1/2" Tube to 3/8" Tube Compression Adapter
LASCO 17-6761 1/2-Inch Female Compression by 3/8-Inch Male Compression Brass Adapter, Copper - Pipe Fittings - Amazon.com
Everbilt 3/8 in. OD Compression x 3/8 in. Flare Brass Adapter Fitting 801119 - The Home Depot
Brass Compression Fitting, 3/16 Tube to 1/8 NPT, Straight