Description Dromex® DHCS-P2PF SINGLE UNIFIT lightweight reusable P2 cartridges are used in conjunction with Dromex® gas cartridges that fits onto the single unifit Dromex® cartridge respirator (DH101), filtering out solids, dust and liquid aerosol hazards which cannot be filtered by chemical cartridges. Technical Datasheet P2PF SINGLE UNIFIT FILTER (DHCS-P2PF)