Quick view Blue-White BW F-420 Acrylic Flow Meter MSRP: $369.00 - $387.45 F-420 Acrylic Flow Meter F-420N Series Flow Meters are machined of high-quality annealed acrylic and polished to a clear finish. Scales are screen printed on the meter body with a white back reflector for easy reading. ... MSRP: $369.00 - $387.45 Quick Add Add to Wish list Compare