Cana-Vac central vacuums, and made in Canada, built with a all metal bodies, and have the highest Airwatt motors on the market, with upto a 20 year warranty.
The Doc it all is a Complete system(less the attachment set) that fits inside a 2 x 4 ..
Cana-Vac LS-750Air Watts: 625Suction (Waterlift): 132Motor Type: Tangential By-PassMotor..
Cana-Vac XLS-970Air Watts: 675Suction (Waterlift): 147Motor Type: Tangential By-PassMoto..
Cana-Vac Model LS-550 Air Watts: 465Suction (Waterlift): 137Motor Type: Tangential By-Pas..