Davey QB 2.5hp Booster Pump Impeller.
Old impellers were black in colour. Suits single and two speed models.
This impeller can also be used on later model Spanet XS pumps and LX pumps(part number stamped on impeller on both models).
Impeller diameter: 111mm.
Internal vane width: 13mm.
Seal required is the D-SB16P.