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!
Cirrus CR109 Motor Filter 18038 Included with hepa filter
Cirrus CR109 Motor Filter 18038. You will have to cut to fit using the old motor filter.