spec: 1.brass oil furnace nozzle with copper strainer 2.spray angle: 30,45,60,80 ... detailed spec:Design feature of brass oil furnace nozzle with copper strainer2008HGL series oil-burning nozzle is a oil misting ... rate ,Flow rate: 1.5-1.7KG/H, copper strainer with 45um was provideFlow rate: 1.89-3.78KG/H ... equippedFlow rate : 4.76~5.1 Kg/H , copper strainer with 125um was keptFlow rate: 5.68-41.64KG/H , ...