Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800143 Filter Cassette Holder Kit (required when sampling with Cassette) Price on request 811-9927-04 Cyclone, BGI4L Gasket Price on request GFG858X10 Filter, Glass Fiber, Binderless, 1.1µm, 8" x 10", 100/Pack Price on request