Features: Elevates your ventilation system with the Duct Fan Extractor, featuring advanced temperature and humidity control for proper environmental management. The fan boasts a quiet operating and energy efficient motor technology, ensuring a seamless combination of performances and sustainability. Suitable for growers, agriculturists, and homeowners seeking to enhances their indoor air quality and climate controls precisions. Multifunction in application, this duct fan excels in grow tents, hydroponic setups, commercial spaces, and residential areas requiring improved air circulation. Installation is easy with the ABS constructions, allowing for quick setups in any space to immediately enjoy cleaner, more controlled airflows. Specifications: Material:Metal Duct Diameter:4inch,6inch 4inch Fan Specifications Airflows:205CFM Power:35W Noise:28dB 6inch Fan Specifications Airflows:350CFM Power:70W Noise:32dB Package Includes: 1Piece Inline Duct Fan note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.