Low Flow Module, Blue, GilAir-3/GilAir-5 Constant Back Catalog number: 800518 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request 615-0908-05-R Carrying Case, Hard Side, for GilAir Plus 3-pack Price on request 910-0910-NO-R GilAir-Plus Data Logging Single Starter Kit, Bluet Price on request