Blueair 500 Series Particle Replacement Filter

These high-quality filters are a 3-in-1 replacement set. They offer unparalleled quality:

• Made of polypropylene
• Feature HEPASilent technology
• Filters at 99.97% of particles that are 0.1 microns or larger
• Maintain a high rate of air flow
• Activated carbon absorbs gases and odors
• Extremely efficient at filtering allergens and pollutants like dust and pollen
• Approximate weight is 5 lbs
• Filter life varies by use, but should be changed approximately every 6 months