Single Variable Flow Kit, 7-10 x 150mm Back Catalog number: 800256 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GFPC4537 Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Price on request 385-0117-01 Tri-pod mounting bracket for Nephelometer (Tri-pod Price on request 811-0507-01-R Power Adapter, Universal Wall w/USB A to USB B cab Price on request