WhisperLine 440 CFM In-Line Fan: * Ventilate multiple areas with just 1 fan using the 2.1 sone APPA40NLF1 Panasonic WhisperLine Fan * The 2.1 sone APPA40NLF1 Panasonic WhisperLine Fan is so quiet you might not know it"s on * Adjustable airflow for multi-inlet balance * Easy installation * Continuous, trouble-free operation for many years * Power consumption: 132-watts * Speed (RPM): 1150 * Duct diameter: 8" * The 440 CFM Panasonic Bathroom Fan features a low profile family design grille * Panasonic Ventilation Fan Weight: 26 lbs