Item #: 118040 Purify and transform the air you breathe The Atmosphere® Replacement Carbon Filter effectively reduces odors from the air caused by smoke, pets, and cooking to leave your home smelling fresh and clean. Compatible with all Atmosphere® Air Purifier units. Description Atmosphere® is the world’s No. 1 selling brand of home air treatment systems.* The Atmosphere® Carbon Filter effectively reduces most common household odors. The Atmosphere® Carbon Filter now uses a higher-efficiency form of carbon that improves chemical reductions. Formaldehyde reduction was improved from 70% removal to over 90%. The new and improved filter uses less carbon with equal performance and a comparable life span.