Filter, Tissue Quartz, (99.90% retention of 0.3µm Back Catalog number: GF25TQ Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 360-0162-01 Go-Cal Manual Price on request KB-3 Kynar Bag 3.0L Price on request TE-28 Teflon Bag, Septum Valve (50L) Price on request