STIHL Backpack Sprayer - SR 450
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In compliance with STIHL's policy, STIHL products are only available for purchase at our Stillwater store.

The STIHL SR 450 is a professional-grade backpack blower/sprayer that covers all the bases. Its low-emission, fuel-efficient engine delivers 20% greater spray distance when compared to older models.

Ideal for distributing liquids or solids, this backpack sprayer/duster converts from misting to dusting applications without any special tools or additional equipment or accessories. It's easy to use and provides great control over product feed and air speed. To top it all off, the sprayer also quickly converts to a powerful leaf blower for fast debris cleanup.

  • Anti-vibration System

    Reduces operator fatigue and makes working more comfortable.

  • Multi-function Control Handle

    Provides access to all of the tool's controls so your hand never has to leave the handle.

  • Adjustable Support Harness

    Distributes weight evenly across shoulder and back, reducing fatigue.

Displacement 63.3 cc (3.86 cu. in.)
Engine Power 2.9 kW (3.9 bhp)
Weight 28.2 pounds (12.8 kg)
Fuel Capacity 1700 cc (57.5 oz.
Container Capacity 14.0 l (3.7 gals.)
Air Volume w/ Tubes 920 m3/h (542 cfm)
Air Velocity 90 m/sec. (201 mph)
Vertical Spray Range (Max.) 43 feet (13 m)
Horizontal Spray Range (Max.) 48 feet (14.5 m)
  • Item #: SR-450
  • Manufacturer: STIHL
  • Manufacturer's Product Number: SR 450
  • Condition: New

STIHL Backpack Sprayer - SR 450

Price: $699.99
Availability: Please call 888-595-4411
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