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!
Rainbow D3 Vacuum Clamps Two
Rainbow D3 Vacuum clamps Two. This clamps the machine down to the water pan. Picture shows one, you are getting two.