Cassette, 37mm, 3pc, 2.0µm,Teflon, 50Box Back Catalog number: GCU37200T 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 800061 Cyclone, Dorr-Oliver, 10mm - Nylon (1.7LPM-US) Price on request 910-0801-04 Gilian 5000 5-Pack, UL ATEX 120V/240V , No Cord Price on request