Cassette, 37mm, 2 pc, 0.8µm Polycarbonate, 50/Box Back Catalog number: GC728PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 6075-0410-25 SCR-PHIL PAN-HD4-40 X 5/8 (Sold in pack of 25) Price on request 783-0015-01 Lithium Ion Replacement Battery Pack for Nephelometer Price on request GF47080 Filter, MCE, 0.8µm, 47mm, 100/Pack Price on request