... 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 ... its advantage is long jetting range and large quantity of water, etc. Technical Parameter:ItemModelConnectorNominalDiameter (mm)NozzleDiameter(mm) ...