Knapsack Power Sprayer,Power Sprayers Sprayer Tank capacity: 21L Color: Blue/Orange/Red High efficiency,Far range Easy to us Knapsack Power Sprayer ,Gasoline Power Sprayer,adopts LF1E44F gasoline engine as power supplier. This gasoline engine and Sprayer Outlook is researched and produced by ourselves, and it has many distinct advantages, such as high rotation speed, high efficiency, low fuel ...