Pest control and lawn care professionals: say good-bye to backpack sprayers that leak and drip. The Field King Professional No Leak Pump Backpack Sprayer keeps you safe and dry from any chemicals you re using. This backpack sprayer keeps solutions mixed and soluble with internal agitators activated by the pump. It can hold up to 4 gallons of insecticides herbicides fertilizers or other liquid chemicals. The pressurized system in this manual sprayer can produce up to 150 PSI and include a regulator that lets you spray continuously at 25 PSI. This backpack sprayer remains comfortable while you work with padded and adjustable straps waist belt chest strap and trigger lock on the 21-inch wand that lets you take a break from pumping. It also comes with 4 nozzles: 1 brass adjustable 2 flat fans and 1 foaming. Keep yourself safe and comfortable while you work with the Field King Backpack Sprayer.