The F-42050LK-16 Blue White Flow Meter is made from tough machined acrylic meter body, polished to a clear finish. Direct reading permanent scale. White back reflector for easy reading. High grade Viton o-ring seals. (Optional K-series hastelloy C-276). Acceptable in direct sunlight applications. Available OEM options: Private labeling, custom calibrations, custom materials. A top brand product at bottom dollar prices. Call to get a quote today. MTR2 10-50 GPM ACY 1.0FPT HAST