Chapin 61500 Euro Style Backpack Poly Chapin SprayerFor professional landscapers and homeowners, Chapins 61500 4 gallon traditional euro style backpack sprayer is designed for fertilizers, weed control and pest control chemicals. Nitrile seals work with common lawn and garden chemicals and standard landscaping applications. It comes with padded shoulder straps for a close fit to the back and a standard left hand pump handle. The 4 gallon poly tank has a 4 inch wide mouth opening for easy filling and