Description Dromex® DHCT-P2 twin UNIFIT reusable, lightweight particulate cartridge, is used in conjunction with the Dromex twin cartridge respirators respirators (DH-102, DH-202 and DH-FFM) , filters medium concentrations of solid dust and liquid aerosol hazardous which cannot be filtered by chemical only cartridges. Technical Datasheet P2 TWIN UNIFIT FILTER (DHCT-P2)