Filter, Tissue Quartz, (99.90% retention of 0.3µm Back Catalog number: GF37TQ Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-22 Teflon Bag, On-Off Valve (0.5L) Price on request 800266-1 Generator Cell/Sensor, Standard Flow, Gilibrator-2 Price on request 811-9924-01 Cyclone, BGI4L Aluminum Cyclone (2.2LPM Respirabl Price on request