The SOLO Model 425 is a commercial-grade 4-gallon backpack sprayer designed for reliable application of disinfectants, fertilizers, herbicides, pesticides, and other lawn and plant treatments. It features a piston pump rated to 60 psi, an adjustable pressure regulator with four settings (15, 30, 45, 60 psi), and Viton seals, gaskets, and O-rings for excellent chemical resistance. The high-density polyethylene tank includes UV inhibitors and an extra-large opening for easy filling and cleaning. Built for comfort and durability, the unit includes a rugged metal frame, deluxe shoulder-saver harness, waist belt, commercial shut-off valve with lock-on/lock-off, double filtration (tank basket and nozzle filter), a 21-inch stainless steel wand, a 48-inch nylon-reinforced high-pressure hose, and a foldaway handle with wand retainer. TeeJet compatible and backed by a limited lifetime warranty.
Viton seals, gaskets, and O-rings throughout for superior chemical resistance and durability.
4-gallon high-density polyethylene tank with UV inhibitors and an extra-large opening for easy filling and cleaning.
Rugged metal frame with deluxe shoulder-saver harness and waist belt for stable, comfortable carrying.
Piston pump with adjustable pressure regulator offering four positions (15, 30, 45, 60 psi) for precise control.
Includes 4-nozzle assortment: brass adjustable, fan spray, jet stream, and hollow cone for versatile spray patterns.
21-inch stainless steel wand and 48-inch nylon-reinforced high-pressure hose provide reach and long-lasting performance.
Commercial shut-off valve with lock-on/lock-off and double filtration (filter basket and nozzle filter) to reduce clogs.
TeeJet compatible and suitable for use with disinfectants, fungicides, herbicides, pesticides, and lawn chemicals.
Extra-large carrying handle with wand retainer, foldaway handle for left or right hand operation, and limited lifetime warranty.
