Teflon Bag, On-Off Valve (50L) Back Catalog number: TE-24 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0902-EU-R GilAir-Plus Data Logging Single Starter Kit, Euro Price on request 811-9928-02 Cyclone, 47mm Filter Screen (Stainless Steel) for Price on request SC-6 Tedlar Bag (8L) Price on request