Common impeller used by Spa Industries & others. Balboa SuperWow & Vico pumps. Pumps have Blue or Black wet ends and are often labelled 4hp. Suits Single & Two-Speed pumps. 115mm Diameter. Uses this mechanical seal.
Impellers are black, dark gray, or light gray.
Vane Width: 13-13.5mm
No of Vanes: 7
Mechanical Seal: 3/4" Short Type 6