Leemone 2 Pack Replacement Filter Compatible with Blue Signature SP4i Large Model Air Purifier

PERFECT FITThe Blue Signature Replacement Filter Compatible with Blue Signature SP4i. Not compatible with 211+ and 211i max. This SP4i Filter is designed exclusively for compatibility with SP4i Large Model Air Purifier. Please verify the model number before making your purchase | SUPERIOR QUALITYThe blue signature filter effectively cleans a remarkable 99.97% of particles as small as 0.1 microns, and cleans pet dander, pollen. The activated carbon filter efficiently cleans household odors from smoking, pets, and cooking fumes | 3-IN-1 FILTRATION SYSTEMOur Blue Signature filter replacement is specifically designed in 3-in-1 Filtration System. The Pre-Filter(not include), HEPA Filter, and Activated Carbon Filter work together to airborne particles and unwanted odors in your living space for improved air quality | ENERGY EFFICIENTThis blue signature sp4i filter is made of non-woven material and activated carbon, advanced lower energy consumption and lower density structure technology verified by the manufacturer, with lower wind resistance, higher efficiency and less pressure to ensure maximum filtration | VALUABLE PACKSThis cost-effective 2-pack ensures you always have a fresh filter on hand. For optimal performance and the cleanest air, we recommend replacing your filter every 9-12 months (depending on usage and air quality)