The one quart immediate containment, (H12) Ultrafine filter cartridge that is 88% efficient at .3 microns. The one quart ultrafine filter cartridge has 43 pleats of cellulose media. The Ultrafine filter cartridge captures everything from dust and debris to color toner.
Ultrafine (H12) Filter Cartridge
(88% efficient @ .3 micron)
Ideal for Color Toner, Dust and Debris