PetraTools HD2000 2-Gallon Battery Backpack Sprayer is designed to be user-friendly, it allows you to effortlessly spray liquids on your lawn and garden. This multipurpose pump sprayer offers a host of features, including an extra-wide fill opening and multiple nozzle attachments. Designed with the latest addition of an adjustable shoulder strap that provides comfort while working around your lawn and garden. Grass Paint Max Strength is a convenient solution to treat ugly patches caused by dog urine on your lawn. It has an advanced formula that sticks and spreads to the surface better for optimum coverage. It's also created to last for several months, even when exposed to extreme weather conditions. Now, it's 30% more concentrated for best results.