Knapsack sprayers are used for spraying insecticide and pesticides on small trees and row crops of height up to 2.5m in height. Knapsack power sprayer consists of a pump and an air chamber permanently, in a 9 to 20 liters tank. Its features are engine speed of 7500 RPM, liquid output of 3-8 L/min & fuel tank capacity of 650 ml.
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