- Replacement filter designed for the Reer 4in1 air purifier model 94040 - 2-in-1 technology: combines HEPA13 filter and activated carbon for advanced filtration - Captures up to 99.95% of fine particles, dust, pollen, and allergens - Activated carbon neutralizes odors and volatile organic compounds - Easy installation and quick replacement thanks to the included reminder sticker - Maintains the air purifier's optimal performance and extends its lifespan - Recommended for homes with children, allergy sufferers, or pets - Package contents: 1 2-in-1 filter and 1 replacement sticker - Compatible only with the Reer 4in1 air purifier