Cassette, 37mm .45µm PVC Endotoxin Free, 10/Box Back Catalog number: GCU3745EF Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0113-01 Filter Cap, Replacement for Nephelometer Price on request TE-23 Teflon Bag, On-Off Valve (4.7L) Price on request 6075-0410-25 SCR-PHIL PAN-HD4-40 X 5/8 (Sold in pack of 25) Price on request