Power you can compare
28.0 N blowing force · 642 CFM air volume · 222.0 mph maximum air speed
STIHL® PROFESSIONAL GAS BACKPACK BLOWER
BR 450
Professional gas backpack blowing power for larger cleanup jobs.
28.0 NBlowing force642 CFMAir volume222.0 mphMaximum air speed
Prices and availability may change. STIHL.com opens with Garland Saw selected as dealer 55279.
Blowing force28.0 N
Air volume642 CFM
Maximum air speed222.0 mph
Sound level at 50 ft77.0 dB(A)
Compare what moves the debris
Force. Volume. Air speed.
Professional gas backpack blower made for longer cleanup work. Its published performance includes 28.0 N of blowing force, 642 CFM of air volume, air speed up to 222.0 mph. CFM measures the volume of air, MPH measures its speed, and blowing force combines the two into STIHL’s clearest performance comparison.
Blowing force28.0 N
Air volume642 CFM
Maximum air speed222.0 mph
Sound level at 50 ft77.0 dB(A)
Weight23.4 lb
Displacement3.9 in³
Know the sound level
The published sound-pressure rating is 77.0 dB(A), measured at 50 feet (15 metres).
Backpack carrying style
The backpack format spreads the load across the shoulders for larger properties and longer cleanup jobs.
For your blower or shredder vacuum
Genuine STIHL accessories
Garland Saw can confirm accessory compatibility before purchase, including battery-system and model-specific fitment.
Prices and availability may change. Contact Garland Saw to confirm the model or part number and current availability.
Safety & product information
Use it safely.
Read and follow the operator’s manual and all safety instructions supplied with the product.