Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC837 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 7013376 Cyclone Calibration Jar (For 10mm Nylon Cyclone an Price on request 360-0201-01 Operation Manual/Software CD for Deluxe Nephelomet Price on request GF25080BLG Filter, MCE, 0.8µm 25mm, PCM, with Black Grid Line Price on request