GilAir Plus, DL to STP Upgrade (factory only) Back Catalog number: 811-0945-01-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9927-09 Cyclone, Luer Adapter Replacement Kit Price on request GPG25100 Filter, Support Pads, Cellulosic, 25mm, 40.0µm, 10 Price on request SC-2 Tedlar Bag (1.5L) Price on request