Air cleaners provide needed relief to people with multiple chemical sensitivities (MCS). While it is virtually impossible to completely eliminate all household products that emit any type of chemical or odor, using a top-quality air purifier designed for MCS can be very beneficial. Air filters designed for this need use a substantial volume of carbon to absorb chemicals, gases, and odors in the air. In addition to specialized filtration, the best units will also be manufactured differently from other all-purpose purifiers. Often, these units are manufactured without use of glue or other solvents, and use organic or untreated cotton in their filters. These design considerations are intended to ensure that the unit itself does not emit any toxins into the air. We recommend the following air purifiers for anyone with an MCS condition.