Solo Backpack Sprayers

  • The world's first manual sprayer designed without metal or rubber parts subjected to contact with chemicals.
  • The 425 model is ideal for all-around applications of agrichemical, liquid fertilizer and other solutions - oil or water based. It's piston pump design allows applications at any desired constant pressure from 0-90 psi.
  • The 475 model is ideal for low pressure applications and where larger droplets are desired.åÊIt has a long life expectancy diaphragm pump which has a pressure range of 0-60 psi. It is resistant to harsh chemicals and inherent in the diaphragm pump design is its ability to pass small abrasive particles without damage to the pump assembly.
  • Both models have a 4 gallon tank capacity.

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