Fuel Flow Sensor - 2-100 LPHFeatures:Flow Range: 2 LPH to 100 LPH (0.53 GPH to 26.4 GPH)All M1AR fuel flow sensor accessories for the FFM100 are fitted with 1/4" NPT female threadsNominal K Factor: 1000 pulses/L (3785.4 pulses/Gal)Cable Length: 1m (3.28')Strainer Size: 200 Mesh (If not already installed after fuel filter)Port Size: 1/4" NPT FemaleMaximum Viscosity: 1000 cPsMaximum Operating Pressure: 68.95 Bar (1000 PSI)Weight: 775g (1.71 lb)Construction: Aluminum Housing MaterialRotors: PPS (Ryton)Shafts: 316/304 Stainless SteelMagnets: Samarium CobaltO-Ring: FKM (Viton™)WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.