Apollo Horticulture AH IF6+CF6 6" 440 CFM Inline Fan with 6" Carbon Filter 6" Inline Fan with Built-In Speed Controller & 6" Carbon Filter Air Movement: 440 CFM, Noise Rating: 75 +/- 1.5 db. Power: 120 W at 1.10 A, Fan Speed: 2630 RPM Carbon Filter Air Movement: 450 CFM / Dimensions: 9.75" x 21.50" with 6" Flange Ducting Package Includes: Inline Fan, Mounting Bracket, Carbon Filter, Instructional Pamphlet