Built In Central Vacuums, AirMaster, FloMaster, ModernDay and SilentMaster. Certain Specialty Residential and Commercial Vacuums such as the Cirrus Evolution, Lindhaus, Riccar, SEBO and Titan Vacuums!
Dustcare, Easy Flo, Plastiflex Central Vacuum Hose Cord
Dustcare, Easyflo, Plastiflex hose cord that plugs into the wall to activate the power nozzle. This cord has two holes where the pins from the hose itself fit into.