1. Perfect compatibility - The HP-14 high-efficiency replacement filter is designed to be perfectly compatible with the 240 air purifier. It provides the same quality and function as the original and has been tested prior to sale. 2. 3-stage filtration - This HP-14 replacement filter for the 240 air purifier uses a premium 3-stage true HEPA filtration system, including a fine pre-filter, a true HEPA filter, and a high-efficiency activated carbon filter. - They work together to capture up to 99.97% of all airborne particles down to 0.3 microns in the air, including dust, hairs, pet fur, and lint. This filtration helps prolong the life of the 240 air purifier by reducing dust, pollen, smoke particles, and pet dander, contributing to a fresher environment. 3. High performance - The 240 replacement filter effectively captures airborne particles, improving indoor air quality and making breathing easier. - The high-grade activated carbon filter absorbs odors, fumes, smoke, and cooking smells, as well as filtering pet odors in your living space, for improved air quality. This makes it suitable for pet owners, smokers, and people who live in cities. 4. Warm maintenance tip - Open the packaging and insert the HP-14 filter replacement into your 240 air purifier. - Lifespan varies with existing air conditions; it is recommended to replace the filter every 6 months. 5. Use scenarios - Pet owners: helps reduce pet dander, hair, and odors in living rooms and bedrooms with animals. - Smokers and urban dwellers: mitigates smoke and city odors to create a cleaner indoor environment. - Kitchens and common areas: absorbs cooking smells and other household odors, improving overall air quality in living and working spaces.