GROW TENT FAN: MARS HYDRO inline fans are designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.
EFFECTIVE VENTILATION: Variable speed controller for easy fan speed adjustment. Optimal ventilation for your planting.
LOW NOISE LEVEL: Durable plastic fan housing and blades for extremely low noise(28 dB); create a truly quiet growth environment.
EASY INSTALLATION: Removable duct ends with locking tabs for quick removal and easy maintenance and a cord length of 4.9 feet for hassle-free setup. This grows tent fan with a controller for easy fan speed adjustment.
BASIC PARAMETERS: Ventilation exhaust fan size: 4” | Dimensions: 11.9 x 8 x 7.4 in. | Weight: 4 lb. | Airflow: 205 CFM | Noise: 28 dB | Bearings: Dual Ball.
![Mars Hydro 4inch fan with speed controller](https://marshydro.eu/wp-content/themes/woodmart/images/lazy.png.webp)
![Mars Hydro Inline fan with speed controller](https://marshydro.eu/wp-content/themes/woodmart/images/lazy.png.webp)
![Mars Hydro grow tent ventilation system](https://marshydro.eu/wp-content/themes/woodmart/images/lazy.png.webp)
![](https://marshydro.eu/wp-content/themes/woodmart/images/lazy.png.webp)
![Mars Hydro fan with carbon filter's installations](https://marshydro.eu/wp-content/themes/woodmart/images/lazy.png.webp)
dawid91006 –
Very good