H13 Composite materials Hepa Filter and Activated Carbon Filter Replacement Fit for Blueairs 400 Series air purifier accessories

1.Specialized filter for libraries, designed to address book dust and mold spores. The HEPA layer filters dust from book pages and mites, while the activated carbon layer removes musty and damp odors from books. The filter operates quietly, not disturbing the quiet environment of the library. Compatible with small purifiers beside library bookshelves, it has a lifespan of up to 5 months, being more resistant to dirt than ordinary filters. It protects the respiratory health of readers and librarians and reduces book mold.

2.Specialized filter for beauty salons, designed to address the smell and dust from beauty products. The activated carbon layer adsorbs the smell of perfume and skincare products, while the HEPA layer filters beauty dust and hair. The filter is designed to be quiet, not affecting the beauty service experience. Compatible with small purifiers in beauty salons, it can be installed beside the beauty bed and has a lifespan of up to 3 months. It helps beauty salons create a fresh and comfortable service environment and enhances customer satisfaction.

3. Specialized silent filter for study rooms, with an ultra-thin folded HEPA layer that offers extremely low air resistance. The purifier operates at a noise level below 30dB, ensuring no disturbance to concentration during study. The activated carbon layer removes snack and sweat odors from the study room. It is designed for desktop purifiers in study rooms, with a compact size that doesn't occupy much space. The filter lasts up to 3 months, creating a quiet and fresh learning environment.

4.Specialized filter for photography studios, designed to handle photography dust and background cloth debris. The HEPA layer filters out fine dust, preventing it from adhering to lenses and props. The activated carbon layer removes formaldehyde (from new construction) and prop odors in the studio. The filter operates silently, not affecting audio recording during photography. It is suitable for small purifiers in studios and lasts up to 4 months, helping photographers create a clean shooting environment. Feature