The F-41017LK-16 Blue White Flow Meter is made from tough acrylic meter body, polished to a clear finish. Direct reading permanent scale. Features easy to read white back reflector. Viton o-ring seals. (Optional K-series hastelloy C-276 Call For Details). Standard models #316 stainless steel, PVDF, Teflon float. (Optional K-series hastelloy C-276 Call For Details, PVDF, Teflon). Acceptable in direct sunlight applications. Available OEM options: Private labeling, custom calibrations, custom materials. Guaranteed to get the job done and then some. MTR2 1 -17GPM ACY 1.0 FPT HAST