Yield Lab 4 Inch Purifier Activated Charcoal Filter

Get rid of stale air in your grow room with this 4 inch, 190 CFM grow room filters. Constructed with 52mm thick carbon layer, it can effectively eliminate odors, filter particulates, and purify the air to provide both you and your plants with a clean and fresh environment if in conjunct use with 4" vortex blower. Instead of leaving the bottom section unused and wasted, it utilizes 100% of the carbon element, allowing for an incredible 18 month life expectancy of continuous use! Features: 4" Flange 20 " Tall Activated Carbon Charcoal Filter Maintenance-Free Design Safe and Effective Operation Cotton Filter Pad Pre-filter NOT Included Specification: Flange 4" Optimal CFM 190 Carbon Norm CTC70 Avg. Life Expectancy of Carbon 1.5 yrs Carbon Layer Thickness 52mm Maximum Temperature 180 Celsius Package Content: 1 x 4" x Carbon Filter Please Note the fan and the ducting in the picture are NOT included in this item.