The F-40750LNB-12 Blue White Flow Meter is made from durable machined acrylic meter body, polished to a clear finish. Direct reading permanent scale. Features easy to read white back reflector. High grade 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). Can be used in direct sunlight. Available OEM options: Private labeling, custom calibrations, custom materials. Performs better than the competition. Top quality at low prices. MTR2 1 -10GPM ACY .75 FPT BRS