Filter, Replacement, GilAir-3/GilAir-5/BDX II Back Catalog number: 201050 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-1004-01 PM-2.5 Impactor Kit, Replacement for Models 810-10 Price on request C-EZVOCPO Easy-VOC pump (with CapLok tool and carry case) Price on request 811-0912-EU-R Three Station Dock w/Comms 100-240Vac, 50-60 Hz, E Price on request