Farmate 15-liter manual knapsack sprayer, commonly used for agricultural applications like applying pesticides and herbicides.The sprayer features an internally mounted brass piston pump, which is designed to prevent chemicals from leaking onto the user's back.It comes equipped with adjustable nozzles, allowing for versatile spray patterns ranging from a fine mist to a concentrated fan.The tank is constructed from high-density, UV-resistant polyethylene for increased durability against harsh chemicals and sunlight.