Advanced 3-Stage Air Purification: This model features a Washable Nylon Pre-filter, Activated Carbon Filter, and True HEPA filter Removes 99.97% of Airborne Particles: Captures dust, pollen, pet dander, smoke, and household odors as small as 0.3 microns for cleaner, fresher air Breathe Easier & Sleep Better: Reduces allergens and airborne pollutants, promoting improved air quality and more restful sleep Long-Lasting Performance: For optimal filtration, replace your 3-in-1 True HEPA air filter every 6 months to maintain efficiency Designed for PureZone DUO: Specifically made for the PureZone DUO Air Purifier (sold separately) for a seamless fit and maximum effectiveness Ensure optimal air purification with this genuine replacement filter, designed exclusively for the PureZone DUO Air Purifier. Genuine Pure Enrichment Replacement Part: Engineered for a perfect fit and superior filtration. Advanced 3-Stage Filtration: This filter combines a pre-filter, activated carbon filter, and True HEPA filter to effectively capture 99% of dust, pollen, pet dander, smoke, and household odors. Easy, Quick Replacement: Swap out the old filter in seconds for uninterrupted clean air. For the best results, replace your PureZone DUO Replacement Filter every 6 months. Genuine Pure Enrichment Replacement Filter: Designed exclusively for the PureZone DUO Air Purifier, this authentic replacement ensures seamless compatibility and optimal performance, keeping your indoor air fresh and clean Advanced 3-Stage Filtration for Maximum Purification: Stage 1: Pre-Filter: Captures large particles like dust, hair, and pet fur Stage 2: Activated Carbon Filter: Reduces odors from pets, cooking odors, smoke, and household chemicals Stage 3: True HEPA Filter: Eliminates 99.97% of airborne allergens and pollutants, including dust, pollen, pet dander, and other contaminants as small as 0.3 microns Eliminates Allergens, Air Pollutants & Contaminants: This high-performance replacement filter helps reduce airborne irritants, making it ideal for allergy sufferers, pet owners, and anyone seeking improved indoor air quality Breathe Easier & Improve Sleep Quality: True HEPA filtration removes microscopic particles that can trigger allergies and respiratory issues, creating a healthier, more comfortable home environment for you and your family Long-Lasting & Easy to Replace: To maintain peak performance, replace your PureZone DUO Replacement Filter every six months. Designed for quick, hassle-free installation, it allows you to swap out your old filter in seconds with no special tools required. Compatible with the PureZone DUO Air Purifier (sold separately)