Filter, Replacement, GilAir-3/GilAir-5/BDX II Back Catalog number: 201050 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-9917-01 Go-Cal Replacent Filter Price on request C-LFP-01 ACTI-VOC low-flow sampling pump kit in carry case Price on request 800143 Filter Cassette Holder Kit (required when sampling Price on request