The F-30125P Blue White Flow Meter is great for closed pipe installation. Easy to read dual scale (GPM/LPM), screen printed on both sides of the meter body. Install vertically or horizontally to fit your needs. One piece machined acrylic meter body. Corrosion resistant internal parts. Calibrated pitot tube. Ships with gasket seal and mounting clamps. Calibrated for use on PVC or Copper Pipe. Low Flow units offered. Performs better than the competition. Top quality at low prices. MTR1A 15-75 GPM 1.25 PIPE