Single Variable Flow Kit, 7-10 x 175mm Back Catalog number: 800257 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF25TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm DOP) 25mm, 100/Pack Price on request GCU25MV Cassette, 25mm Micro Vac, ea Price on request 811-9926-01 Cyclone, GK2.69 Aluminum Cyclone for 37mm Cassettes (4.2 LPM Respirable & 1.6LPM Thoracic-US) Price on request