4"6'' Inline Ventilation Exhaust Fan Duct Fan For Heating Cooling Booster, Grow Tents, Hydroponics, HVAC System ,Energy-Efficient

HIGH EFFICIENT MIXED-FLOW FAN - [ (Air Flow: 500 m³/ h] - Develop Higher Static Pressures And Higher Airflow Than Any Other Mixed Flow Fans . Exhaust and Intake air to rooms in a quick and reasonably quiet way for grow tent system or indoor ducting system, circulate fresh air, control humidity, excess heat, smell and improve indoor air quality LOW NOISE: Centrifugal impeller and streamlined airflow supercharge design can reduce impediment to air supply, reach the optimal airflow and air pressure, high efficiency working, low energy consumption, effectively reduce the noise generated by airflow supercharg SUPER MOTOR - Adopts Pure copper double ball bearing motor to ensure high efficient, quiet operation and high-quality performance. Compared with ordinary motors, the upgraded motor can reduce friction coefficient, save electricity effectively and enlarge the service life of the machine NO ASSEMBLY & TOOL REQUIRED The buckle design allows easy installation and disassemble without tools. Different installation and splicing methods can be apply according to the needs of different household users. [ Parallel Installation of Multiple Machines - Double air volume, suitable for spaces that require rapid air change ] - [ Series Connection Installation of Multiple Machines - Double wind pressure, suitable for places that require long-distance pipelines ] WIDE APPLICATION - Suitable for the area such as Home, School, Restaurant, Hospital, Library, Shopping Mall, Hotels and other spaces requires continuous or periodic exhaust ventilation. ( Available for ceiling mounting or ducting )