Air Purifiers Replaces Filter, Pre-Filter Layer, HEPA Filter Layer, Activated Carbon Filter Layer A

[SIZE]Air Purifiers replacement filter element(2.56 x 2.56 x 3.74 inch).[FILTER COMPOSITION]pre-filter layer, HEPA filter layer and activated carbon filter layer.[FUNCTION]This filter helps to purify pollen, smoke, pet dander and PM2.5 Micrometre air pollution in the air.[REPLACEMENT CYCLE]It is recommended to replace the air purifier filter elements every 3-6 months. The service life of the filter depends on the operating time and existing air conditions.colour:WhiteMaterial:plasticPackage Contents:1 x Air Purifiers FilterOnly the above package content, other products are not included.Note: Light 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.