Closed face impeller made for the HiFlo side discharge pump by Waterway Plastics. 
Rated at 2.0hp, it is used in a Waterway HiFlo pump wetend, and must be installed on a 2.0hp (or greater) thru bolt motor.

Impeller TypeClosed Face
Impeller Diameter OD3-7/8"
Vane Width ID7/16"
Eye Diameter OD1-7/8"
Eye Length3/4"
Impeller Width OD15/16"
Seal Seat Depth1/2"
Shaft Length15/16"
Shaft Diameter OD5/8"
Seal Seat Diameter OD1-9/16"
ManufacturerWaterway
Pump ApplicationHi-Flo "E"