VIVOSUN Inline Duct Fan 8 Inch 720 CFM with Speed Controller, Carbon Filter and 25 Feet of Ducting, Temperature Humidity Monitor for Grow Tent, Greenhouse Ventilation

All-In-One Combo: This inline fan combo enables your ventilation system set up in a grow tent, which is ideal for cooling down heat from lighting fixtures and controlling hot and humid conditions Powerful Inline Fan: Made of galvanized steel, the 8-inch inline fan runs at a speed of 2450 RPM and produces an air flow of 720 CFM, with a noise level of just 38 dB the maximum Premium Carbon Filter: Interior and exterior mesh construction provides 54% open area for free air flow; It is filled with 1200+ RC 412 Virgin Australian activated charcoal captures air contaminants effectively Multi-Layer Air Ducting: It comes with 3-layer construction--inner and outer layers are made of heavy-duty aluminum foil that is fire-retardant and its middle layer adopts PET thermoplastic 2 Rust-free Clamps: The kit includes a pair of clamps that are made of stainless steel, which are used for securing the connection between ducting and inline fan to keep the connected components in place2 Rust-free Clamps: The kit includes a pair of clamps that are made of stainless steel, which are used for securing the connection between ducting and inline fan to keep the connected components in place, Weight: 24.49997117606 Pounds, Manufacturer: VIVOSUN