Product details:

The Ortho Manual Pump Backpack Sprayers does the work of both a piston and diaphragm backpack sprayer. The exclusive internal No Leak Pump keeps your back and clothing dry. The paddles keep liquids powders and water-soluble solutions mixed in solution and ready to spray. Also the pump features Viton seals that can be easily changed within-minutes without tools (up to 7x faster than the leading competitor). The premium shut-off offers a comfort grip lockable trigger to prevent hand fatigue and a removable in-line filter to reduce clogging. The Ortho Backpack Sprayer is capable of spraying up to 150 psi for those hard-to-reach areas. The foldable pump handle reverses for left- or right-handed use and the tank has a built-in carry handle with wand storage. With adjustable padded straps waist belt and chest cinch strap the backpack ensures comfort while you work. Multiple nozzles are included for ultimate versatility: Brass adjustable nozzle (enables stream to cone patterns)wide flat fan nozzle (red 0.25 GPM angled at 70°) and a narrow flat fan nozzle (yellow 0.15 GPM angled at 30°).