Compatible with Blue Pure 211i Max Air Purifier Designed specifically for the Blue Pure 211i Max model, this replacement filter ensures a fit and performance. Not compatible with 211+, 211+ Auto, 411i Max, 411ia, 511, 311, 121, or other models. Please confirm your purifier model before to avoid mismatches. Performance MERV 13 Filtration The MERV 13 rated filter effectively traps airborne pollutants such as fine particles, smoke, dust, and fibers, helping to create a cleaner, healthier indoor environment. Ideal for reducing allergens and improving air quality in homes, offices, and other spaces where clean air is essential. Convenient Value Pack Includes 2 replacement filters for the Blue Pure 211i Max, making it easy to perform timely filter changes without delays. Having a spare filter on hand ensures continuous air purification and prevents interruptions in performance. Recommended Replacement Cycle For results, your 211i Max filter every 6 to 8 months, depending on usage frequency and environmental conditions. Regular replacement helps maintain air purifier efficiency and extends the life of your device. Practical Applications Home: Reduce allergens, dust, and odors for healthier living spaces. Office: Maintain a clean and comfortable work environment for employees and customers. Pet owners: Minimize dander and hair in the air to improve comfort for occupants and guests. Specifications Compatibility: Blue Pure 211i Max only Filter Type: MERV 13 rated Pack Quantity: 2 filters Recommended Replacement Interval: Every 6 to 8 months This replacement filter offers reliable performance, simple installation, and trustworthy air purification for the Blue Pure 211i Max, helping you maintain consistently clean, fresh indoor air.