Compatible With: for FY1413 FY1410 Air Purifier Replacement Filter Set compatible with Philips 1000 and 1000I.[True Heap Filter]: Can captures up to 99.97 Percent of particles that pass through the filter as small as 0.3 microns[Help Improve Health]: True HEPA & Activated Carbon Filters Set Also removes ultra-fine particles as small as 20 nanometers or 0.02 microns - 2500 times smaller than a human hair - from the air that passes through the filter[Active carbon filter]: With extra-strong honeycomb structure effectively reduces gases and odors from the air that passes through[Properly sealed]: Filters are sealed to protect their lifetime. It is recommended to replace air filters every 6 months. Remove filters from packaging before placing them into air purifierMaterial:Composite materialcolour:Photo ColorPackage Contents:1 * filter1 * Activated carbon meshOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.