The GROW1 4-Gallon Backpack Sprayer is crafted from the highest grade polyethylene plastic, ensuring exceptional resistance to corrosion from insecticides and herbicides. This lightweight and durable sprayer is ideal for a variety of applications, including spraying water, fertilizers, herbicides, pesticides, and more. Designed for maximum portability and ease of use, it is worn comfortably on the operator's back like a backpack, allowing for efficient and convenient spraying in large or hard-to-reach areas. With its ergonomic design and high-quality construction, the Grow1 4-Gallon Backpack Sprayer is perfect for both professional and home gardening tasks.