About this itemBreathe in fresher air using the 3-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 3-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Air Purifier (sold separately). Each of the three layers of this filter provides a unique level of cleaning: Pre-Filter– Captures initial dust and allergen particles. Activated Carbon Filter– Absorbs formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months. Features
