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 800411 Kit-Diaphragm Hi Flow Price on request 810-1501-01 Gilian 10i Pump Kit UL ATEX, Pump Only, No Charger Price on request 811-9929-01 Inhalable Dust Sampler, GSP-3.5 Conical Style Price on request