Features: Brand new and high quality Made of high-strength materials, safe and non-toxic.Exquisite and delicate, highly matching with original equipment Filter can reduce dust, pollen and other allergen from infiltrating into the air your breathe As part of normal maintenance, it can be easily removed and replaced The filter can be washed under running water and must be completely dry before reinstalling. It is recommended that you replace the spare parts every 3 to 6 months depending on the frequency of use to keep the machine running at good performances Specifications: Material:Filter Cotton HEPA Filter:Approx.125x112mm/4.92x4.4inches Package Includes: 1x HEPA Filter 2x Filter Cotton note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.