5-slat: 21 in

Key Features and Benefits

Works with your Rion Series greenhouse: EcoGrow

The mature compost is rich nutrient for your veggies and plants

or gable roof portal frames

AC Infinity | AIRLIFT Shutter Exhaust Ventilation Fan With Temperature Humidity Controller Solar Lighting 5-slat: 21 inSmart Shutter Exhaust Fan for Greenhouses, Garages, Workshops, and Sheds This high performance shutter exhaust fan is designed to ventilate enclosed spaces like greenhouses, garages, attics, workshops, and sheds. It automatically removes heat, humidity, odors, and dust to create a cleaner and more comfortable environment. Featuring an advanced EC motor with PWM control, this fan delivers powerful airflow while reducing noise and energy consumption.