Teflon Bag, Septum Valve (50L) Back Catalog number: TE-28 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SC-9 Tedlar Bag (45.0L) Price on request 800573-100 Diagnostic Panel only, Hi/Lo (2-50cc, 20-200cc, 0.5-5LPM) with 100 inch Magnahelic Price on request GCU37500PVC-2 Cassette, 37mm 2pc 5.0µm PVC, 50/Box Price on request