Power through your workday with the Field King® ProMax 4-Gallon Backpack Sprayer. Built for pros, this rugged unit runs on an 18V lithium-ion battery, eliminating hand pumping while delivering a consistent 40 psi spray for up to four hours. With padded straps, a steel frame, and a poly wand built for chemical resistance, this sprayer is a tough and comfortable choice for all-day landscape applications.

• Powerful: 18V lithium-ion battery, no pumping required
• Long-Lasting: Delivers 4 hours of runtime or 50 gallons per charge
• Pro Performance: Pre-set spray pressure at 40 psi, 0.3 GPM
• Durable: Powder-coated steel frame resists rust and chemicals
• Comfortable: Super-padded harness protects battery and adds all-day comfort
• Compatible with TeeJet® nozzles for versatile applications

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