Growers House staff combined these two compatible products so that you can exhaust your growing environment while scrubbing the air for particulates and odors. This package includes the Vortex Ultra Quiet S-Line 6" Inline fan rated at 347 CFM and the Phresh Carbon Filter 6" X 16" rated at 400 CFM. We recommend this Fan/Filter setup for any grow room up to 1200 watts maximum. Vortex S-Line Ultra Quiet Fan 6" 347 CFM The NEW Vortex Powerfan S-Line Ultra Quiet fans are here. Introducing the quietest inline duct fan on the market, the Vortex S-Line is completely different from the competition, and specifically designed for the indoor grower. Vortex S-Line Features: Double insulated wall to prevent condensation and reduce noise level Rubber gasket to ensure air tight and vibration-free duct connection Integrated Backdraft Damper to prevent air leakage when the extractor is not operating Fan gasket to ensure tight and vibration-free assembly Mounting bracket designed for quick and easy installation High impact resistant polycarbonate casing for heavy duty applications The motor is 100% speed controllable, highly efficient, has low power consumption, and is built with permanently lubricated ball bearings and thermal overload protection Internal impeller for cooler motor operation Mix flow impeller design for quiet operation and high air flow Easy clipping system to allow fan removal for maintenance Ready to plug in 120v 60Hz out of the box 70 watt @ 120v. Only 4.9 CFM per watt. 347 CFM (cubic feet per minutes) 10 Year Warranty* Vortex fans require a solid state fan controller, The Dial-A-Temp Speed Control is endorsed by the manufacturer as the controller to use with Vortex S-Line. *If you choose to use a non solid state fan controller, your unit will not be covered under the manufacturers warranty To Find Out What Separates The S-Line From Other Fans, You Have To Get Inside It. Vortex S-Line Fan Diagram The people who design and build fans also need