Lorell Replacement Premium Filter - /Activated Carbon - For Air Purifier - Remove Odor, Remove Dust - 11.8" Height x 1.4" Width x 12.1" Depth - Carbon Premium filter features a three-in-one design that includes a filter, activated carbon filter and pre-filter to reduce odors and provide cleaner air. Advanced filtration system delivers consistent performance to help you breathe easier. Easy-to-use design allows quick, simple replacement for fast maintenance. Filter is designed for the Lorell Air Purifier (sold separately).