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 360-0190-01 Manual, Gilian 12 Price on request 910-0912-EU-R GilAir-Plus Data Logging 5-Pump Starter Kit, Bluet Price on request TE-28 Teflon Bag, Septum Valve (50L) Price on request