BrassCraft 3/8-in x 1/2-in Compression x Mip Adapter Fitting in the Brass Fittings department at Lowes.com
Threading Adapter, NPT 1/2 Male to G 3/8 Female
Adaptor 1/2"Sq Drive Female to 3/8"Sq Drive Male | S12F-38M | Sealey
1/2 to 3/8 Reducer Faucet Adapter - Compression Brass Pipe Fitting, 3/8 Male to 1/2 Male Supply Line Adapter for RV Kitchen Plumbing, Water Hose Pipe Connector with Rubber Washer, (2 Pack) - Amazon.com
Everbilt 3/8 in. Comp x 1/2 in. MIP Brass Adapter 804599 - The Home Depot
Skandia Adapter 3/8" x 1/2" | bol.com
CRAFTSMAN 3/8-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com
Keeney 1/2-in x 3/8-in Compression x Fip Adapter Fitting at Lowes.com
LTWFITTING 1/2 in. FIP x 3/8 in. MIP Brass Pipe Adapter Fitting (20-Pack) HF1028620 - The Home Depot
Heytec Adapter 3/8" - 1/2" 45 mm 50840-15 - Hevutools.nl