Reducer 1/2" M to 3/8" ribbed barb

This adapter has a 1/2-inch male fitting at one end, and a ribbed barb fitting at the other end that slides inside a 3/8-inch pipe.

Dimensions
Outside diameter smooth end : 21 mm
Outside diameter ribbed end : 10 mm

Part numbers
Waterway : 425-0210
Sunrise Spas : R5047521