https://www.homedepot.com/p/Everbilt-3-4-in-x-1-2-in-Copper-Pressure-Fitting-x-Cup-Reducer-C6002HD3412/100343698
Everbilt 3/4 in. x 1/2 in. Copper Pressure Fitting x Cup Reducer C6002HD3412 - The Home Depot
Make use of this efficient NIBCO Copper Pressure FTG x Cup Fitting Reducer in potable water, air conditioning and refrigeration.