Special: Certified by NSF to NSF/ANSI 61 & 372 Standards Connection Size: 1 1/2" NPT Unit Weight: 12 lbs Dimensions: 26 3/8" x 8 1/2" Flow: 2.2 to 40 GPM (8.32 to 151 LPM) Pressure: 2.2 to 116 PSI Ratio Range: 1:3000 to 1:800 Percentage Range: 0.03 to 0.125% Included Accessories: 6' clear suction hose, weighted strainer, mounting bracket and quick start guide.