Two True HEPA replacement filters (2-pack) for residential air purifiers - Function and performance True HEPA filtration captures allergens and pollutants, helping reduce common airborne irritants such as dust, pollen, pet dander, mold spores, and smoke particles in indoor air. - Compatibility and size Fits most residential systems that use 20 x 20 x 1 inch filters. Exact dimensions: 20" x 20" x 1". - Material and quality True HEPA filtration provides high efficiency particle capture to support cleaner air in your space. - Convenience and value Pack of two filters lets you replace one now and have a spare on hand, supporting regular maintenance without delays. - Use scenarios Allergy season: improve air quality for family members with allergies. Pets in the home: reduce airborne pet dander and associated irritants. Urban or wildfire conditions: filter fine particles when air quality is challenged by pollution or smoke. - Replacement guidance Follow your purifier manufacturer guidelines for installation and recommended replacement intervals.