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 GCU37200T Cassette, 37mm, 3pc, 2.0µm,Teflon, 50Box Price on request 385-0095-01 IOM Sample accesory, sample holder Price on request 811-9927-08 Cyclone, 37mm Filter Screen Price on request