Fuel Flow Sensor with 10 cable T-connectorFuel Flow Sensor Gasoline ONLY. 1 required per engine. Up to 3 engines supported. OutputsFuel FlowTank Fuel UsedTrip Fuel UsedSeasonal Fuel UsedCable Length 10Fuel Line Diameter 38 9.5mm Inside DiameterFlow Rate Measured Optimized for 0.6-45 Galhr but can measure outside these valuesAdded Back Pressure to the fuel system 0.5 PSI at 20 Galhr 1 PSI at 40 GalhrInstallation Location Above the max level of the fuel tank, in-line after the fuel filter and any