AC Infinity Automatic Booster Duct Fan, Inline Fan with Pressure Switch, 4-Inch
Description Inline Duct Fan: Designed to boost airflow in ducting and vent systems, ensuring effective delivery of heating or cooling. This automatic fan activates upon detecting pressure change, removing the need for manual adjustments. Differential Pressure Switch: This enables the fan to be mounted in any position to enhance directional airflow versatility. It senses changes in your ducting and operates the on/off activation automatically, making it versatile for extended ducting and other difficult-to-reach spaces. Features: The fan has five speed levels, powered by a PWM-controlled EC motor for more precise ventilation. It is sized for a 4" duct and provides an airflow of 230 CFM. It operates at a noise level of 60 dBA, using dual ball bearings. The dimensions are 11.88 x 9.11 x 9.25 inches. Automatic Pressure Sensing: The fan switch provides automatic activation capabilities to enhance your heating or cooling on demand, by detecting pressure change in your ducting and a