Cassette, 37mm .45µm PVC Endotoxin Free, 10/Box Back Catalog number: GCU3745EF Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-1004-02 PM-10 Impactor Kit, Replacement for Models 810-100 Price on request SC-8 Tedlar Bag (25.0L) Price on request 615-0908-05-R Carrying Case, Hard Side, for GilAir Plus 3-pack Price on request