Vevor Shutter Exhaust Fan 16" Wall Mount Attic Ventilation Fan with Temperature Humidity Controller New new The large 15-inch square opening

The large 15-inch square opening in the ballast cover allows for easy filling and removal of the sand counter-weight through use of a vacuum or bucket if necessary

Thermally protected Metal Oxide Varistors (MOVs) activate when voltage rises above 150/300 Volts AC

The deep basin helps handle larger washing jobs while the anti-clog drainage system supports smooth water flow

With optimized electronic controls

with a set of 4" truck adapters for up to 75" of lift

Vevor Shutter Exhaust Fan 16" Wall Mount Attic Ventilation Fan with Temperature Humidity Controller New new The large 15-inch square openingThe Vevor shutter exhaust fan is designed to remove heat, humidity, odors, dust, and smoke from enclosed spaces with efficient 1550 CFM airflow. It features a premium EC motor for reduced power consumption and quieter operation, along with an intelligent controller for temperature and humidity triggers, 10 speed settings, timer functions, and alarm modes. Built with a powder coated steel frame and aluminum alloy fan and shutters, it offers durable