The filter element is made of activated carbon, and it is safeand non-toxic. It can be used to get rid of stink for your family. It is auseful accessory for air purifier.Features:Made from activatedcarbon, safe, non-toxic and odorless.Easy installation:easy and quick to install , no tools required.It is only suitable for HP01 HP02 HP03 DP01 DP02 DP03.It can beused to remove the stink, easy to use and durable for long time use.It is anessential accessory for air purifier.Specifications:Condition: 100% Brand NewMaterial: Activated CarbonColor: WhiteSize: Approx. 21.4 x 21.4 x 15.8cm/ 8.42 x 8.42 x 6.22inWeight: approx. 368g/ 12.98ozPackage List:1 x Filter ElementNotes:1. Please allow 0-2cm error due to themanual measurement. Thanks for your understanding.2. Monitors are not calibrated same,item color displayed in photos may be showing slightly different from the realobject. Please take the real one as standard.3. Please confirm whether your device model matches our product description before ordering..