1. The filter is made of high-quality materials, which can capture up to 99.97% of the particles in the air, particles as small as 0.3 microns, including smoke, dust, pet hair and dander, and other harmful substances. 2. Replace the filter frequently to get the cleanest and healthiest environment. 3. Easy to disassemble and install, it only takes less than five minutes to replace, which saves time, just remove the old dirty filter and replace it. 4. They are very suitable for use in offices or homes of pets, smokers or asthmatics. 5. This filter is suitable for ZB3113AK ZB3114 ZB3107 ZB3003 ZB3006 ZB3011 ZB3012 EF144 and AEF144. Colour:Orange+white Material:plastic Size:39 x 60 x 94mm Package Contents: 2 * filter 1 * Cleaning brush Only 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.