Compatible With: for FY1413 FY1410 Purifier Replacement Filter Set compatible with 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 - from the that passes through the filter[Active carbon filter]: With extra-strong honeycomb structure effectively reduces gases and odors from the that passes through[Properly sealed]: Filters are sealed to protect their lifetime.It is recommended to replace filters every 6 months.Remove filters from packaging before placing them into purifiermaterial: plasticColor as shownPackage Contents:1 x filter1 x Activated carbon meshOnly the above package content,other products are not included.Note: Light reflection 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.