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!
Patriot Filter Holder Exhaust Cap
Patriot Filter Holder Exhaust Cap. This cap fits on to the filter holder, replaces the hepa filter, allows airflow and has a thin foam.