Mars Hydro 4" 6" Inline Duct Fan HVAC Exhaust Ventilation Fan, Carbon Filter Combo, Speed Controller for Grow Tent Kits

The product comes with a speed controller that allows for precise control of the fan speed, which can improve air circulation and reduce the risk of overheating. The dimming method of the product is KNOB DIMMER, which is easy to use and can be adjusted to suit different growing conditions. The ducting of the product is 25ft, which can help to distribute the light evenly throughout the grow area.

The fan speed of the product is 3000RPM, which can help to improve air circulation and reduce the risk of overheating. The product is dimmable, which can be adjusted to suit different growing conditions and can help to save energy. The high-concerned chemical is not mentioned in the product information.

The installation method of the product is self-contained, which means that it can be easily installed without the need for additional tools or equipment. The product is available in two sizes: 4Inch and 6Inch, and the voltage of the product is 110-240V. The warranty of the product is 2 years, which provides customers with peace of mind and can help to ensure that the product is covered by a warranty in case of any defects or issues.