This 20 Litres Backpack Sprayer features an internally mounted brass piston pump to eliminate potentially dangerous external leaks. This sprayer produces a maximum 65 psi and takes only five pumps to reach 45 psi. Features an internal agitator for mixing, large fill opening, has excellent chemical resistance for longer life and a high-density UV-resistant poly spray tank with volume markings in gallons and liters. The sprayer has a quick pressure buildup and is also made of plastic material which is fairly light to enhance portability and ease of moving around while spraying. Order for this Farmer knapsack Backpack Sprayer online and have it delivered to you.