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 811-9930-01 Cyclone, FSP-2 Higgins-Dewell Style Cyclone with E Price on request 910-1601-EU Gilian 12 Starter Kit, EU Cord Price on request 810-0103-02 GilAir-5 Programmable (ATEX), Pump only Price on request