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 SC-3 Tedlar Bag (1L) Price on request 911-0501-EU-R Single Unit Charger w/ Power Adapter, USB Gilibrat Price on request GF47450 Filter, MCE, 0.45µm, 47mm, 100/Pack Price on request