Features 1、PREVENT FINE DUST AND VACUUM: High efficiency particulate air filter acts as a sieve to remove impurities during recirculation of for Philips air purifiers 2、FINE FILTER: Filters fine dust particles up to 10 μm(= 0.01 mm) such as formaldehyde, PM2.5, smoke, dust, pollen and mites, etc. 3、QUICK AND EASY TO USE: The filter element ensures maximum odor neutralization, which create a fresh, clean environment and a pleasant home 4、FOR PHILIPS 2000 AND 3000 SERIES: Fit for AC2882, AC2887, AC2889, AC3829, replace original FY2422 and FY2420 filters 5、STRONG MATERIAL: Using PP and PET material, possess high temperature resistance, corrosion resistance, aging resistance, easy to clean Specification Item Type: Air Purifier Filter Element Material: PP, PET Filter Particle: 10μm Package List 1 x Filter 1 x Filter Element