Aygrochy 4 inch Inline Duct Fan with Temperature and Humidity Controller, Extractor Fan for Booster, Grow Tents, Ventilation and Extractor Fan. by Amazon.co.uk

• 【 SMART PROGRAMMING】Intelligent controller with temperature and humidity programming, fan speed control, timer, and alarm system.The controller has precise temperature and humidity sensors on a 12-foot wired probe.

• 【Parameters 】DUCT DIAMETER: 4”(100mm) — Airflow: 205 CFM —Power 40W —Noise: 32 dBA —Pressure: 298 Pa

• 【Quiet and energy 】Saving performance is very good: EC motors with mixed flow design and PWM control can use precise electronic pulses. This allows the embedded fan to run more quietly and reach low speeds without generating noise or heat. The energy efficiency of EC motors is also twice as high, and can save up to 40% of energy costs, and can recover costs in the long run.

• 【Wide applications 】This Inline Duct Fan are used in indoor grow facilities and vertical farms, heating and cooling transfer, commercial drying and air filtration applications. Our inline blowers can also create negative pressure environments, simulate wind, exhaust odors and smoke as well as intake fresh air from outdoors

• 【Easy Mount】This 4" Fan Is Made of Black ABS Plastic. It Can Be Easily Mounted to The Ceiling Of Your Grow Tent Using Ratchet Hangers Or Zip Ties.