1,knapsack power sprayer 2,mating engine:1E33F 3,engine displacement:26cc 4,high quality with reasonable price Specifications1,Name:Knapsack power sprayer2,Modle:7683,engine:1E33F4,Output:8-10L/min5,Spray Pressure (kg/cn2):10-256,Tank capacity: 23L7,Dia. of plunger: 18mm Knapsack power spray /garden machine /agricultural power spray