The products are made of high-strength and environmentally friendly materials to optimal performance and a healthier .HEPA filter is made of high-strength environmental-friendly materials, which can block most of dust down to 0.3 micrometer. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other allergens into the you breatheEasy to Assemble: This filter is inside the dirt tank. Remove the dirt bin by firmly grasping it and pulling it out, to empty the dirt bin, find the release latch and pull it to open and empty. Take out the old filter and then place the new filter back into the bin.Replacement Filter: A dirty filter will greatly reduce suction . Depending on the vacuuming frequency and amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months.The powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a variety of floors such as ceramic tiles, marble, and wood floors.Applicable models: For G2size: 110 x 48 MMMaterial: plasticcolour: black+whitePackage Contents:8 x FilterOnly the above package content, other products are not included.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.