Cassette, 37mm 2pc 5.0µm PVC, 50/Box Back Catalog number: GCU37500PVC-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0902-EU-R GilAir-Plus Data Logging Single Starter Kit, Euro Price on request 380-0035-01 Nephelometer Pump Assy, Replacement Price on request GFPC447 Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Price on request