Function: efficient dust removal, PM2.5,bacterial,Efficient addition of formaldehyde, suitable for decoration<br> <br> The replacement of the spare parts will help your Air Purifier maintain the good cleaning performance.<br> <br> Each spare parts is recommended to use for six months, and then replace the new part spare.<br> <br> Type: Air Purifier Parts<br> <br> Version: Standard Edition<br> <br> Product Shape: 360-Degree Barrel Filter<br> <br> Recommended area:Recommended area: 28 m-49 m<br> <br> Colour:blue<br> <br> Material:plastic<br> <br> Package Contents:<br> <br> 2 x air filter element<br> <br> Only the above package content, other products are not included.<br> <br> 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.