Tamarack Technologies Tamarack Technologies 1150 CFM Ceiling Mounted Ductless Whole House Fan with R38 Insulated Doors

Features:Features a powerful 1150 CFM blower, specifically designed for continuous use applicationCapable of ventilating a maximum area of 1500 square feetEquipped with R38 insulated doors that mechanically close to seal and protect the fan when not in useCan be mounted vertically or horizontallyFits 16 inch or 24 inch center joists with no cutting requiredAll instructions included for installation and operationOptional plenum riser box available for center joists that aren't 16 or 24 inches (see model n...