1/2 to 3/8 Reducer, Vfauosit 3/8 to 1/2 RV Faucet Adapter Brass Compression Fitting Faucet Supply Line Adapter for Plumbing Water Hose 2 Pieces - - Amazon.com
CRAFTSMAN 3/8-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com
Brass Pipe Fitting Reducer Adapter, 1/2" NPT Male x 3/8" NPT Female for Water Oil Air Pressure Gauge Temp Sensor - Walmart.com
Wera 042673 Square Drive Size Adapter, 3/8" to 1/2"
79210 - Viega 79210 - 1/2" ProPress x 3/8" Male Bronze Adapter (Lead Free)
LTWFITTING 1/2 in. FIP x 3/8 in. MIP Brass Pipe Adapter Fitting (20-Pack) HF1028620 - The Home Depot
Aluminum Adapter, 1/2" Male NPT to 3/8" Female NPT | Air & Hydraulic Equipment,Inc.
Stainless Steel Fittings - High Pressure Threaded 1/2" Female x 3/8" Male Reducing Adapter 4500 PSI
CRAFTSMAN 1/2-in to 3/8-in Standard Socket Adapter in the Socket Adapters department at Lowes.com
3/8" Copper X 3/8" NPT Copper Male Adapter
Masterforce® 1/2" Drive 3/8" SAE Impact Socket Adapter at Menards®
Brass Pipe Fittings, Water Hose Adapter, G 1/2 Female to G 3/8 Male Reducer Adapter, Compression Fitting for Kitchen Bathroom Faucet, Pipe Connector with Rubber Washer,(2 Pack) - - Amazon.com
Everbilt 3/8 in. x 1/2 in. Copper Pressure Fitting x Cup Reducer C600HD21238 - The Home Depot
3/8" x 1/2" Sch 40 PVC Reducing Male Adapter - Mipt x Soc 436-053