D.B. Smith Field King 190328 Backpack Sprayer, 4 Gallon

D.B. Smith Field King 190328 Backpack Sprayer, 4 Gallon

• Internal No Leak Pump design is safer to use chemicals will not drip down your back. Internal piston pump delivers up to 150 PSI
• Durable, 21 inch poly wand with the highest quality Viton seals can be used with Wet table powders and liquids for all applications does the work of both a piston and diaphragm backpack
• Premium, lockable shut off with brass components and an in-line filter.
• Easy access pump allows changing of seals in just minutes with no tools
• 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. Also accepts Tee Jet nozzles.

What Makes Our Backpacks Better

Internal Paddles

Built-in agitator can handle liquids, powders, and water-soluble solutions. Internal paddles, activated by pump action, keeps them mixed, in solution, and ready to spray.

Tested to over 1,000,000 cycles with a wettable powder without failure.

Internal Pressure Chamber

Allows pressure to reach 150 PSI – 65% higher than other diaphragm pump backpacks. Spray hard-to-reach areas and create more precise spray patterns.

Repair in Minutes – No Tools!

Patented pump design has minimal high-wear parts (60% less) and can be repaired in minutes without tools. Less down time!

Superior Shut-Off

Internal components made of durable brass components.

Viton Seals and Gaskets

The highest quality Viton seals throughout for maximum chemical resistance.

4 Nozzle System

Includes an adjustable brass nozzle, 2 flat fans nozzles, and our patented foaming nozzle. Also accepts TeeJet nozzles.

Filtration Basket

Large tank opening with filtration basket keeps large debris out of tank while filling.

Pump Handle

Handle can be reversed for left-or right-handed use

One Way Valve

Prevents spills if tank is inverted.

Threaded Bolt

For secure handle attachment with no slack (far superior to a typical cotter pin found in competing products)

Wand Storage

Integrated carry handle and wand storage.