Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request 200260-25 Filter-25Pk, Internal LFS Price on request 360-0166-01 Manual, Gilian 800i Price on request