This Set of AllerSync Filter is a CleanForce OEM filter for Rainbow Air Purifier. 1 set contains 1 piece of filter elements. It has 3 layers, non-woven cloth, HEPA filter and actived carbon. It removes pollutants such as dust, pet dander, smoke, pollen, while also absorbing smoke, wildfire smoke, cooking odors, pet odors and VOCs. The designed service life of the filter element is 6 months if you use the air purifier all the time.
