Cyclone, GK 2.69 25mm O-Ring Kit Back Catalog number: 811-9927-06 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCU37080S Cassette, 37mm 3pc 0.8µm MCE Sterile, 50/Pack Price on request 783-0009-02-R Battery Pack, GilAir-5. UL, ATEX, NiMH Price on request GF25TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm DOP) 25mm, 100/Pack Price on request