China Manual Fuel Oil Diesel Kerosene Gasoline Nozzle BSPT/NPT 1" Aluminum Fueling Gun with Digital Flow Meter, Find details about China Nozzle Gun Flow Rate Meter Sensor Flowmeter, Automatic Auto Manual Mechanical Metering from Manual Fuel Oil Diesel Kerosene Gasoline Nozzle BSPT/NPT 1" Aluminum Fueling Gun with Digital Flow Meter