All Categories > Flowmeters and Totalizers > Variable Area Piston Meters > Flowmeters and Flow Indicators > M11 Series Piston Type Stainless Steel Flowmeters > Advanced Search Advanced Search in M11 Series Piston Type Stainless Steel Flowmeters Unit of Measure Imperial Metric Both Specifications Connection 1/2" FNPT 3/4" FNPT 1" FNPT 1-1/2" FNPT Flow Range (GPM) No Preference 0.4 to 3.0 0.5 to 5.0 1 to 10 3 to 15 4 to 20 5 to 30 5 to 40 5 to 50 Clear Cancel Advanced Search