【ONE BUNDLE, DOUBLE EFFICIENCY】This bundle includes two 220 CRM crawl space vent fans: one exhaust fan (Air-out) and one intake fan (Air-in). Using both fans together improves air exchange, providing fresh, healthy air. For optimal results, it's recommended to use both types of fans.
【WHY USE VENTILATION FANS】The ventilation fans benefit your home in several ways: ▼ Reducing radon level in lower areas.▼Keeping your crawl space and foundation dry, guards against condensation, and vents harmful gases and odors. ▼Enhancing indoor and outdoor air quality, controls humidity.
【KEY FEATURES】▼Each crawl space vent fan comes with dual-fans for 220 CFM high-airflow. ▼Built-in Dehumidistat: Operates within humidity levels of 20%-80% RH range, the ventilator fan responds automatically to a pre-set humidity level. ON/OFF automatically with SET humidity % level. ▼Freeze protection thermostat: Shuts off below 35°F(approx.0°C).
【STAINLESS STEEL 430】HIGH CORROSION RESISTANCE: 100% Stainless Steel 430 Grade panel & housing box for longer life in humid environment.(Better than Galvanized Steel), the crawl space fan provide high corrosion resistance from various environmental factors, such as moisture, humidity, and exposure to chemicals.
【EASY TO INSTALL】Included Components: 220 CFM Air-Out & 220 CFM Air-In Seven Leaves AC Axial Fans (Dimensions: L x W x H: 18” x 9” x 2”) + 7-foot grounded power cords. Simply plug in the cord, set it, and let the vent fan run. The knob control panel makes humidity settings easy.▼ Please measure your crawl space vent opening size before purchasing. ▼ UL-certified fans ensure safe, continuous operation.
