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 811-0916-01-R Inlet Filter Replacement Kit for GilAir Plus with Price on request 811-1702-EU-R Gilibrator 3 Charger w/ EU Cord Price on request 910-1708-EU-R Gilibrator 3Low Flow Dry Cell Base Pack (No Case) Price on request