Can-Filters® The Original Can Filters® are designed for the control of VOCs (paint fumes, hydrocarbons, etc...), odors, and other gaseous contaminants. Built with a proven Packed Bed Design and Pelletized Virgin Activated Carbon. This line of time tested Activated Carbon Air Filters sets the standard for Long Life, Consistent Performance, and Low Pressure Drop. Rated at a conservative 0.1 sec Contact Time, The Original Can-Filters® provide excellent value and confidence. Can50 Recommended Exhaust CFM: 420 CFM / 713m3h @ 0.1 sec contact time Prefilter: Included Flange Sold separately, will fit size(s): 6X, - 8X, - 10"