Filter, Replacement, GilAir-3/GilAir-5/BDX II Back Catalog number: 201050 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended GCU37500PVC-2 Cassette, 37mm 2pc 5.0µm PVC, 50/Box Price on request C-B100M BioVOC Disposable Cardboard Mouthpieces, pk 100 Price on request 801863-171-2301 BDX II Starter Kit, 230V Price on request