Cyclone, GK 2.69 37mm O-Ring Kit Back Catalog number: 811-9927-05 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 GCU37500PVCMW-2 Cassette, 37mm 2pc 5.0µm, PVC Matched, (50µg), 50/ Price on request 811-0913-01-R Outlet Fitting, Bag Fill Adapter Price on request