Blue Pure 311 Auto Air Purifier Replacement Filters, 2 Pack

Compatible Models

Designed specifically for the Blue Pure 311 Auto air purifier, the 311 Auto replacement filter is fully compatible with this model (20.5 inches machine) and performs identically to the original filter. For optimal performance in large spaces up to 2640sqft (2640 square feet), this filter ensures the same efficiency. If you have any questions regarding compatibility, please contact us promptly.

Excellence in Filtration

Equipped with dual filtration technology, the 311 Auto replacement filter features 311 Auto H13 true HEPA filters that effectively capture 99.7% of particulates as small as 0.3 microns, including soot, lint, and pet dander. Activated carbon filters combat light household odors from smoking, pets, and cooking, providing cleaner air for up to 2640sqft spaces in just one hour or 550sqft spaces in about 12.5 minutes on high setting.

Superb Craftsmanship

Crafted from premium non-woven true HEPA fabric and activated carbon, the 311 Auto replacement filter ensures higher efficiency and reduced pressure, enhancing filtration and minimizing running noise through its nano fiber filter layer. This advanced structure also ensures lower energy consumption and a more comfortable sleep environment.

Great Value Pack

This package includes 2 x 311 Auto Replacement Filters. We recommend replacing the filter every 6-9 months for optimal performance, depending on your usage and environmental conditions. Installation is easy and requires no tools—simply remove and replace the filter when needed.

Buy with Confidence

ROMON team is dedicated to providing seamless assistance and top-notch service to all clients. Our enthusiasm, patience, and professionalism ensure we address your needs with sincerity and honesty. Should you have any questions, feel free to contact us; we commit to resolving all issues within 24 hours.