Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended GF47450 Filter, MCE, 0.45µm, 47mm, 100/Pack Price on request GCU3745GS Cassette, 37mm 3pc .45µm MCE Gridded Sterile 50/Pk Price on request 911-0301-NO-R Single Unit Charger w/ Power Adapter, USB, LFS-11 Price on request