Teflon Bag, On-Off Valve (0.5L) Back Catalog number: TE-22 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9909-01 Inhalable Dust Sampler (100 µm Particle Cut at 2L Price on request 375-0019-01 GilAir Plus Shoulder Bag/Carrying Pouch, soft side Price on request 615-0908-05-R Carrying Case, Hard Side, for GilAir Plus 3-pack Price on request