Echo MS402 is a versatile and durable backpack sprayer designed for a wide range of spraying applications. With its powerful piston pump, it can deliver up to 15 times the pressure of a regular garden hose, making it ideal for spraying pesticides, herbicides, fertilizers, and other liquids. The MS402 features a large 4-gallon tank capacity, allowing you to cover large areas without having to refill frequently. It also comes with a variety of nozzles, so you can customize the spray pattern to suit your specific needs.