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Home / Lawn & Garden / Yard Maintenance / Sprayers / SR 450 Backpack Blower & Sprayer

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SR 450 Backpack Blower %26 Sprayer
SR 450 Backpack Blower %26 Sprayer

STIHL®  SR 450 Backpack Blower & Sprayer

SKU: # 7481091 In Stock

For both the distribution of liquid or solid insecticides, fertilizers, or herbicides, the low-emission, fuel-efficient STIHL SR 450 Backpack Sprayer has a larger, more powerful engine that provides a spray range 20% wider than previous models, taking 20% less time to spray the same area, depending on application. The SR 450 easily converts from misting to dusting applications without special tools or additional equipment, and air speed can be easily adjusted during use for greater application and less product waste. The SR 450 can also be used as a backpack blower for debris cleanup.


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$719.95

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For both the distribution of liquid or solid insecticides, fertilizers, or herbicides, the low-emission, fuel-efficient STIHL SR 450 Backpack Sprayer has a larger, more powerful engine that provides a spray range 20% wider than previous models, taking 20% less time to spray the same area, depending on application. The SR 450 easily converts from misting to dusting applications without special tools or additional equipment, and air speed can be easily adjusted during use for greater application and less product waste. The SR 450 can also be used as a backpack blower for debris cleanup.


  • Engine Power: 2.9 kW (3.9 bhp)
  • Weight: 28.2 lbs.
  • Fuel Capacity: 57.5 oz.
  • Air Volume: 920 m3/h (542 cfm) with tubes
  • Air Velocity: 90 m/sec. (201 mph)
  • Multi-Function Control Handle: Having easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator’s hand never has to leave the handle
  • Anti-Vibration System: STIHL has a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience
  • Adjustable Support Harness: STIHL backpack blowers and sprayers are equipped with an adjustable support harness that distributes weight evenly across the shoulders and back, reducing user fatigue

Manufacturer's Part Number: #SR 450
Type of ProductBackpack Sprayer / Duster
ColorWhite / Black / Orange
Warranty2 Years
Capacity14 Liters / 3.7 Gallons
Displacement63.3 cc (3.86 cu. in.)
Spray RangeVertical: 43 ft. / Horizontal: 48 ft.
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