Housing, 37mm 3pc Opaque, 50/Box Back Catalog number: GH37 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF25500 Filter, MCE, 5.0µm, 25mm, 100/Pack Price on request 385-0113-01 Filter Cap, Replacement for Nephelometer Price on request GC738PC Cassette, 37mm, 3 pc, 0.8µm Polycarbonate, 50/Box Price on request