Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9929-01 Inhalable Dust Sampler, GSP-3.5 Conical Style (100 Price on request 783-0009-02-R Battery Pack, GilAir-5. UL, ATEX, NiMH Price on request 800510-171-2301 GilAir-3 RP Pump, Starter Kit, 230V Euro Style Plu Price on request