 high tunnel sprayer high tunnel sprayer admin thu 3072019 1615 this sprayer is custom designed to be used in a greenhouse plants such as tomatoes that are grown inside a greenhouse tunnel can be easily sprayed with our high tunnel sprayer towed with a small tiller tractor or similar implement you can easily spray the high plants efficiently covering all sides of your plants with one pass 2555 gallon poly tanks 6500c roller or 12 volt sureflow pump 45hp robin or 4hp honda engine  