Can 4 Inch RS-Series HO 155 CFM

The RS Series Inline tube fan, durable powder coated steel housing, reverse curve impeller.The RS family of inline exhaust fans provide the power and flexibility needed for residential and commercial applications. The RS inline is available in sizes 4" through 12" in both standard and high output.The RS series all utilize the extremely reliable external rotor motor and reverse curve blade, available with 6' pre-wired cord. ETL Listed