1.Knapsack Sprayer fan-shaped spray nozzle, 2.Adjustable spray nozzle, 3.single spray nozzle, a 4.and double spray nozzle. Knapsack SprayerTank Capacity(L): 18Working Pressure(Mpa): 0.4-0.5Net Weight(kg): 3.8Dimension LxWxH(CM): 40X18.5X61 18L manual Knapsack Sprayer