Blue Pure 511 Replacement Filter – Designed for Air Quality Compatible Models Specifically engineered to fit the Blue Pure 511 Air Filter only. Ensures a fit for performance without modifications. Advanced MultiStage Filtration Captures up to 99.97% of airborne particles as small as 0.3 microns, helping reduce dust, pollen, and other microscopic allergens. Builtin activated carbon layer helps reduce light household odors from sources such as smoking, pets, and cooking. Quality Construction Manufactured from nonwoven fabric and activated carbon for durability and reliable filtration. Ideal for households or workplaces requiring consistently air quality standards. Easy Filter Replacement Quick, tool installation makes maintenance simple. Recommended replacement every 6 to 8 months to maintain maximum efficiency and airflow. Practical Applications for living rooms and bedrooms to improve indoor air quality for allergysensitive individuals. Beneficial in home offices where clean air supports comfort and productivity. Useful in apartments or small spaces to control odors and airborne pollutants from daily activities. Specifications Model Compatibility: Blue Pure 511 Air Filter only Filtration Type: Multistage with nonwoven fabric and activated carbon Performance: Captures 99.97% of particles down to 0.3 microns Replacement Interval: Every 68 months for results With precise compatibility, grade materials, and proven filtration efficiency, this Blue Pure 511 replacement filter is a dependable choice for maintaining cleaner air in small to medium living spaces.