The products are made of high-strength, environmentally friendly materials to ensure optimal performance and a healthier lifestyle. The HEPA filter is made of high-strength environmentally friendly materials, which can block most dust down to 0.3 microns. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other allergens into the air you breathe. Replacement filter: A dirty filter will significantly reduce suction power. Depending on the vacuuming frequency and the amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months. Easy to install and remove, no need to spend more energy and time. Easy to clean, helps remove dirt, dust and trash on the floor. Applicable models: for D5 D70 D75 D80 70E D85 Color: gray Material: plastic Size: 20.2 x 6 x 3.5 cm Package Contents: 8 HEPA filters Only the above package content, other products are not included. Note: Light reflection and different