Fire hose nozzle, Firefighting,fire nozzle,nozzel,firefighting lance,fire safety Fire water gun, Firefighting, water gun,nozzel,firefighting lance,fire safety QZ3.5/5, QZ3.5/7.5 fire-fighting straight-through water gun are used for putting out fire by waterplay. When it is connected with water band, it will jet dense and rich waterflow. And its advantage is long jetting range and large quantity ...