Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SC-8 Tedlar Bag (25.0L) Price on request 615-0910-01 Cd with software, manuals and USB drivers Price on request GCU37AE-2 Cassette, 37mm 2pc w/ Type A/E Glass Fiber, 50/Box Price on request