Compatible for compatible for Air Purifier Filter Replacement 4pro 4lite With RFID Purify Dust Remova PM2.5 ENHANCED CLEANING EFFICIENCY: Our vacuum cleaner accessories are designed to enhance the cleaning efficiency of your vacuum cleaner and make cleanup easier. HIGH EFFICIENCY FILTRATION: Our accessories are equipped with high efficiency filtration technology that captures tiny particles to provide fresher indoor air. SUITABLE FOR MULTIPLE FLOORS: Whether it's hard floors or carpets, our accessories are adaptable to different floor types to a comprehensive clean. [FILTER REPLACEMENT OPERATION ]Please the plastic packaging from the filter before use. After replacing the filter, turn on the machine and keep pressing the power button until the blinking red light disappears. Description: Effectively eliminates , dust , PM2.5 particles in the air With specially designed layer, it can effectively kill the Quadruple purification effect with brilliant absorption ability Suitable for Mi purifier,4Pro We suggest you replace the filter every 3 - 6 months Material: composite materials colour: Green Package Contents: 2 * Air Purifier Filter Only 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.