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 910-1701-EU-R Gilibrator 3 Deluxe Kit, All Three Dry Cell Sizes Price on request GCU3745GS Cassette, 37mm 3pc .45µm MCE Gridded Sterile 50/Pk Price on request 783-0008-04 Battery Pack, Replacement BDX II, NiMH Price on request