Brass, 1/2 in x 3/8 in Fitting Pipe Size, Reducing Adapter - 46M451|706120-0806 - Grainger
WOWOW 1/2 in. to 3/8 in. Brass Water Hose Adapter 2660054-BHHD - The Home Depot
Hyd. Adaptor Fitting 1/2 x 3/8 | Agri Supply
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 1/2 in. OD Compression x 3/8 in. MIP Brass Adapter Fitting 800959 - The Home Depot
Aluminum Adapter, 1/2" Male NPT to 3/8" Female NPT | Air & Hydraulic Equipment,Inc.
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
BrassCraft 3/8-in x 1/2-in Compression x Mip Adapter Fitting in the Brass Fittings department at Lowes.com
Amazon.com: TEKTON 3/8 Inch Drive (F) x 1/2 Inch (M) Adapter | SHA14102 : Everything Else
3/8" Male NPTF X 1/2" Male NPTF Reducing Adapter | Calóre Equipment
1/2" Tube to 3/8" Tube Compression Adapter
FasParts 1/2 Female NPT FPT FIP to 3/8 Male MPT MIP Brass Pipe Adaptor Fitting Fuel / Air / Water / Boat / Gas / Oil WOG by FASPARTS - Amazon.com
Everbilt 3/8 in. Comp x 1/2 in. MIP Brass Adapter 804599 - The Home Depot
Amazon.com: LASCO 17-5833 3/8-Inch Female Flare by 1/2-Inch Male Flare Brass Adapter,1-Pack : Everything Else
Amazon.com: KOOTANS 1/2 NPT x 3/8 NPT Male Solid Brass Hex Nipples, Heavy Brass Pipe Adapter Fittings Reducing Nipple Connectors 4Pieces : Industrial & Scientific