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 800286 Bubble Generator, Standard Flow Cell, Gilibrator 2 Price on request 800510-171-2305 GilAir-3 RP Pump, 5-Pack with Universal 5-Unit Cha Price on request 811-9918-03 Go-Cal AC Adapter Euro, 100-240V Price on request