STIHL SR 450 petrol backpack mist blower, ideal for tree surgeons, offering powerful and versatile spraying and dusting capabilities.
Man using STIHL SR 450 petrol backpack mist blower in vineyard for effective spraying and dusting tasks.
    STIHL SR 450 petrol backpack mist blower, ideal for tree surgeons, offering powerful and versatile spraying and dusting capabilities.
    Man using STIHL SR 450 petrol backpack mist blower in vineyard for effective spraying and dusting tasks.
STIHL SR 450 petrol backpack mist blower, ideal for tree surgeons, offering powerful and versatile spraying and dusting capabilities.

Free Delivery

Man using STIHL SR 450 petrol backpack mist blower in vineyard for effective spraying and dusting tasks.

Free Delivery

Stihl

SR 450 Petrol Backpack Mist Blower

SKU: Stihl | SR-4244 011 2641

Regular price
£650.96 Ex VAT
£650.96 £650.96 Ex VAT
Shipping calculated at checkout.
Regular price
£650.96 Ex VAT
£781.15 Inc VAT
RRP: £786.67 Ex VAT
Sale price
£650.96 £650.96 Ex VAT
Regular price
£781.15 £781.15 Inc VAT
Was £786.67 Ex VAT

or 4 interest-free
payments of £195.29 with

Free Standard UK Delivery Over £75 +VAT

Easy Returns

Product information & specifications

STIHL SR 450 Petrol Backpack Mist Blower

The STIHL SR 450 Petrol Backpack Mist Blower is a high-performance, professional-grade tool designed for precise spraying of liquids over large areas. Equipped with a 63.3 cm³ 2-MIX engine, the SR 450 delivers reliable, consistent power for horticultural, agricultural, and pest control applications.

Its ergonomic padded harness and lightweight design ensure comfortable operation during extended periods, while the adjustable nozzle and flow control provide precise and efficient application of fertilizers, pesticides, and other treatments.

Key Features:

  • STIHL 2-MIX engine – delivers powerful performance with reduced fuel consumption and lower emissions.
  • Adjustable nozzle – allows precise control of spray pattern and reach for targeted application.
  • Ergonomic harness and straps – provides comfort and reduces fatigue during extended use.
  • Lightweight design – ideal for long spraying sessions.
  • Reliable pump system – ensures consistent liquid delivery for professional use.
  • Durable construction – built to withstand demanding agricultural and horticultural environments.

Technical Specifications:

Specification Details
Brand STIHL
Product Type Petrol Backpack Mist Blower
Engine Displacement 6.3 cm³
Weight Approx. 12.8 kg
Tank Capacity 14 litres
Flow Rate 1.2–1.6 L/min
Tank Capacity 17 litres
Sound Pressure Level 101 dB(A)

Recommended Accessories:

The STIHL SR 450 is perfect for professionals seeking reliable, powerful, and precise mist blowing capabilities. Its combination of engine performance, ergonomic comfort, and accurate spray control makes it an essential tool for horticultural, agricultural, and pest control applications.

 

Blower Technical Data

Horizontal spray width 14.5
Tank volume 1.70
Performance kW 2.9
Capacity cm³ 63.3
CO² g/kWh 977
STIHL anti-vibration system Yes
Max.air throughput (m³/h) 1300
Air throughput (m³/h) with round nozzle/flat nozzle 920
Vibration level, right (m/s²) 1.9
Sound power level (dB(A)) 109
Sound pressure level (dB(A)) 101
Weight (kg) 12.8

STIHL SR 450 Petrol Backpack Mist Blower

The STIHL SR 450 Petrol Backpack Mist Blower is a high-performance, professional-grade tool designed for precise spraying of liquids over large areas. Equipped with a 63.3 cm³ 2-MIX engine, the SR 450 delivers reliable, consistent power for horticultural, agricultural, and pest control applications.

Its ergonomic padded harness and lightweight design ensure comfortable operation during extended periods, while the adjustable nozzle and flow control provide precise and efficient application of fertilizers, pesticides, and other treatments.

Key Features:

  • STIHL 2-MIX engine – delivers powerful performance with reduced fuel consumption and lower emissions.
  • Adjustable nozzle – allows precise control of spray pattern and reach for targeted application.
  • Ergonomic harness and straps – provides comfort and reduces fatigue during extended use.
  • Lightweight design – ideal for long spraying sessions.
  • Reliable pump system – ensures consistent liquid delivery for professional use.
  • Durable construction – built to withstand demanding agricultural and horticultural environments.

Technical Specifications:

Specification Details
Brand STIHL
Product Type Petrol Backpack Mist Blower
Engine Displacement 6.3 cm³
Weight Approx. 12.8 kg
Tank Capacity 14 litres
Flow Rate 1.2–1.6 L/min
Tank Capacity 17 litres
Sound Pressure Level 101 dB(A)

Recommended Accessories:

The STIHL SR 450 is perfect for professionals seeking reliable, powerful, and precise mist blowing capabilities. Its combination of engine performance, ergonomic comfort, and accurate spray control makes it an essential tool for horticultural, agricultural, and pest control applications.

 

Blower Technical Data

Horizontal spray width 14.5
Tank volume 1.70
Performance kW 2.9
Capacity cm³ 63.3
CO² g/kWh 977
STIHL anti-vibration system Yes
Max.air throughput (m³/h) 1300
Air throughput (m³/h) with round nozzle/flat nozzle 920
Vibration level, right (m/s²) 1.9
Sound power level (dB(A)) 109
Sound pressure level (dB(A)) 101
Weight (kg) 12.8

STIHL Warranty

STIHL offer a 1 year professional warranty or 2 year domestic warranty with all of their machines.

The following exceptions apply:

  • AK System, AS System and AI Line cordless products aren't covered under warranty when used by professionals
  • AP System machines, batteries and chargers - 2 year professional warranty
  • Pressure washers - 2 year professional warranty or 3 year domestic warranty
  • Mowers, tillers, shredders, scarifiers & iMOW machines - See STIHL's website here

Extend your Stihl warranty by an additional year when purchasing a STIHL Smart Connector with selected machinery from the petrol and cordless range. Extends your petrol warranty from 1 to 2 years AND 2 to 3 years on select cordless tools.

Downloads

SR 450 Manual

STIHL offer a 1 year professional warranty or 2 year domestic warranty with all of their machines.

The following exceptions apply:

  • AK System, AS System and AI Line cordless products aren't covered under warranty when used by professionals
  • AP System machines, batteries and chargers - 2 year professional warranty
  • Pressure washers - 2 year professional warranty or 3 year domestic warranty
  • Mowers, tillers, shredders, scarifiers & iMOW machines - See STIHL's website here

Extend your Stihl warranty by an additional year when purchasing a STIHL Smart Connector with selected machinery from the petrol and cordless range. Extends your petrol warranty from 1 to 2 years AND 2 to 3 years on select cordless tools.

Downloads

SR 450 Manual

Delivery & Returns

UK Standard Delivery from - £3.60
Estimated delivery 2-4 days


Free Delivery available for orders above £75+ VAT
Estimated delivery 2-4 days


Next Day Delivery - £7.99
Estimated delivery 1 day when ordered before 3PM Monday - Friday

International Delivery Europe from - £10.00
Estimated delivery 2-7 days


International Delivery Rest of the World from - £12.00
Estimated delivery 2-11 days


Returns
30-Day Return Policy
For more information on shipping options, visit our shipping page here.

UK Standard Delivery from - £3.60
Estimated delivery 2-4 days


Free Delivery available for orders above £75+ VAT
Estimated delivery 2-4 days


Next Day Delivery - £7.99
Estimated delivery 1 day when ordered before 3PM Monday - Friday

International Delivery Europe from - £10.00
Estimated delivery 2-7 days


International Delivery Rest of the World from - £12.00
Estimated delivery 2-11 days


Returns
30-Day Return Policy
For more information on shipping options, visit our shipping page here.

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