Everbilt 3/4 in. x 1/2 in. Copper Pressure Fitting x Cup Reducer C6002HD3412 - The Home Depot
Buy a 2" x 3/4" Black Iron Reducer Coupling | Low Prices
Value Collection - Brass Pipe Reducing Coupling: 3/4 x 1/2″ Fitting, MPT, Class 125 - 45883147 - MSC Industrial Supply
3/4" x 1/2" Schedule 40 429-101
EZ-FLUID Plumbing 3/4" X 1/2" C X C Copper Reducer Coupling, LF Pressure Reducing Copper Coupling Fittings With Stop,Sweat Solder Copper Pipe Connection for Residential,Commercial. (10 Pack) - Amazon.com
3/4" x 1/2" Schedule 40 PVC Reducing Coupling, slip x slip 429-101
REDUCER BELL THR SS 304 150 LB 1-1/2" X 3/4" (PS15-CB4T-01G-00O-I) - Ballard Industrial