Cyclone, Dorr-Oliver, 10mm - Nylon (1.7LPM-US) Back Catalog number: 800061 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 360-0138-01 Operation Manual/Software CD for Nephelometer, TSP Price on request 810-0902-01-R Data Logging Pump Only (No Dock) Price on request 811-0917-01-R Replacement Screws for GilAir Plus, Pk of 25 (4-40 Price on request