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 202046-72 Hose for 72" Sampling Mast, Aircon-2 Price on request 200904 Latex Tubing, 1/4" ID (18"), Standard/High Flow, G Price on request 6075-0428-R Screwdriver - Stainless Steel, Philips / Pan-Head Price on request