VIVOSUN Smart Air Filtration T4 Kit 4", AeroZesh T4 Inline Duct Fan with E12 Speed Controller, Carbon Filter & 8' Ducting, Cooling & Ventilation System for Grow Tents, Indoor Gardening, Hydroponics - VSVC-AZT4

• Efficient Cooling & Ventilation Kit: Includes AeroZesh T4 4” Inline Duct Fan, E12 Speed Controller, 4” Black Carbon Filter, and φ4” 8' Black Ducting. Ideal for moving and transporting air in various air circulation and ventilation projects. Allows for precise and easy control over the fan speed and airflow, stabilizing and optimizing your growth environment Energy-Saving & Low-Noise Fan: The fan boasts powerful performance with airflow at 210 CFM to create optimal ventilation for your grow space. Controlled by PWM, fully adjustable and more energy-efficient. The mixed-flow design enables the fans to distribute air over greater distances. At only 39 dB, the fan ventilates quietly E12 Speed Controller: Ten fan speeds controlled by PWM can be selected by you. Turn off and then on again will allow the backup memory to recall the speed that was previously set. Three ON/OFF cycle mode can achieve the cycle of wind speed to save power. The controller can be integrated with the App system for intelligent remote control Excellent Odor Control: Made with premium RC 412 Australian Virgin charcoal at 1200+ IAV, this carbon filter helps to eliminate pungent smells and chemicals. The 38mm thick charcoal bed with high microporosity ensures its high absorption. Comes with a pair of rope hangers which makes the assembly in grow tents more convenient Perfect Connector: Made of top-notch aluminum, the ducting is strong and flexible. features a central PET thermoplastic layer sandwiched between two layers of protection. Comes with two heavy-duty stainless clamps for a secure connection