Case in point — you're looking up the meaning of CFM, an initialism that appears on most leaf blower product descriptions.

Fan speed: 200–1800 RPM, Airflow: 56.3 CFM/95.65 m³/h (@ 1800 RPM), Noise Level: 0.3 Sone (@ 1800 RPM), Pin: 4-pin ...

Buy the right size for your bathroom There’s no such thing as a ‘one-size-fits-all’ bath fan. For bathrooms up to 100 sq. ft., calculate the required cubic feet per minute (cfm) by multiplying the ...