4 Inch Air Filtration PRO Kit(212 CFM): Inline Duct Fan with Smart Controller, High Carbon Filter, Ducting, Lanyard & Rubber Coupler

Versatile Applications: HONGUAN(Hon&Guan) grow tent ventilation system is designed for ventilation in hydroponic grow rooms, heating/cooling transfer, temperature and humidity regulation, and odor removal. It effectively improves air circulation in grow tents, hydroponic grow rooms, electronic equipment rooms, closets, kitchens, bathrooms, basements, and morePowerful Airflow: The inline exhaust fan is equipped with a high-quality EC motor and mixed-flow design, delivering strong performance with an airflow of up to 212 CFM, easily handling ventilation and dehumidification in large areas. The aerodynamic design and lightweight ABS blades reduce airflow resistance, increasing airflow by 40%Low Noise & Energy Efficient: The grow tent fan ensures powerful performance at a low noise level of 32dB, so it won’t disrupt your work or life. Compared to AC motors, the EC motor saves 50% on energy consumption, effectively extending its lifespan and providing true quiet and energy-efficient operationTemperature, Humidity, & Speed Control: HONGUAN(Hon&Guan) grow tent inline fan is equipped with an intelligent controller featuring multiple operation modes (auto mode, high temp, low temp, high humid, low humid, timer, alarm) and 10 fan speeds. With the included environmental probe, it can automatically monitor changes and control humidity and temperature, creating the optimal ventilation for your grow space3-Layer Tough: HONGUAN(Hon&Guan) dryer exhaust hose keep your ventilation system free of rips and pin holes. The dryer duct is built with 2 layers of aluminum foil with a layer of PET and steel wire helix to preserve the shape, keep your ventilation system free of rips and pin holesEffective Odor Control: HONGUAN(Hon&Guan) Carbon Filter Utilizes RC 48 lightweight activated carbon with 1200 IAV and a 38mm thick charcoal bed for higher absorption and a longer life rating, high quality carbon filter for grow tent.Durable Construction: The inline fan features a heavy-duty metal housing for long-lasting durability. With an IP42 protection rating, it offers excellent dust and liquid resistance, performing well even in harsh environments. It comes with a long power cord for easy installation and can be conveniently hung anywhere in your tent