• Ag Spray DOSA10 Dosatron 14 Gpm 2% Chemical Injection With 10 Gallon Tank Kit Are Easily Mounted To Your Planter For An Economical Way To Apply In-Furrow Fungicides And Insecticides With The Seed. The 14 Gpm Injector Lets You Add The Precise Amount Of Product Directly Into The Fluid Supply • Making It Perfect For Fertilizer • Insecticides