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 911-0301-EU-R Single Unit Charger w/ Power Adapter, USB, LFS-11 Price on request 800518 Low Flow Module, Blue, GilAir-3/GilAir-5 Constant Price on request C-LFP-01 ACTI-VOC low-flow sampling pump kit in carry case Price on request