This highly-effective smoke-eliminating filter helps to purify the air with triple-layer odor and smoke absorption enhanced with HEPA-type filtration to remove up to 99% of smoke and odors from air passing through the filter. This filter helps reduce harmful pollutants associated with second-hand smoke. Enjoy maximum comfort and freshness. For best performance, change filter every four months.
Filter Type: HEPA; Filtration For: Smoke; Quantity: 4 per pack; Width: 5".