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 GH37C Housing, 37mm, Conductive 3pc, 50/Box Price on request SC-4 Tedlar Bag (3L) Price on request 911-0502-EU-R Single Unit Charger w/ Power Adapter, USB Gilibrat Price on request