Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0909-EU-R Power Supply, 5 -Station 100-240Vac, 50-60 Hz, EU Price on request 811-9917-02 Go-Cal Replacent Tubing Kit Price on request 910-0910-EU-R GilAir-Plus Data Logging Single Starter Kit, Bluet Price on request