Genuine Balboa Ultimax / Ultima / Vico Spa Jet Booster Pumps. This is the 1HP 1-speed pump. Comes standard with AMP plug. 

Pump Specifications
Wattage: 850w
Speed: Single
Union Size: 50mm 
Lead Length: 3m
Plug Type: AMP

Pump Dimensions
Length: 394mm
Width: 168mm
Height: 197mm
Weight: 13kg