Cassette, 37mm, 3pc, 0.8µm MCE 50/Box Back Catalog number: GCU37080 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-1004-01 PM-2.5 Impactor Kit, Replacement for Models 810-10 Price on request 401930-437 SCR-PHIL PAN 4-20 X7/16" Price on request GCU37500PVC-2 Cassette, 37mm 2pc 5.0µm PVC, 50/Box Price on request