1. Practicality: This replacement kit is designed for Xiaomi Mijia Pro B402HW /Pro B402CN dust mite vacuum cleaners, ensuring a perfect fit and providing optimal performance for your device. It is a must-have household cleaning tool and an indispensable accessory for maintaining a clean and hygienic home environment.<br> 2. Complete replacement kit: The kit contains 1 main brush 4 filter elements 4 sponges, which can be used normally after installation to maintain the life and continuous performance of the dust mite machine. It prevents rapid wear and tear, making it a reliable choice for daily cleaning, and provides replacement parts for efficient cleaning.<br> 3. Component set: It has a main brush, filter and sponge for cleaning surfaces and capturing fine dust. Make sure you have enough replacement parts to keep your dust mite machine in optimal working condition for longer.<br> 4. User-friendly installation: These accessories are designed to be easy to install and can be quickly installed in your dust mite machine. The design meets production standards and is easy to install. They are designed to fit the model precisely and can be quickly replaced without professional help.<br> 5. Affordable replacement set: In order to maintain the performance and life of the dust mite machine, it is recommended to clean and replace accessories regularly as needed. Our Mite Removal Machine Parts Replacement Kits provide enough replacement parts, making them ideal for stocking up.<br> Function: Consumables<br> Use environment: Home use<br> Colour:White & Black<br> Material:Plastic + Cloth<br> Package Contents:<br> 1 * main brush<br> 4 * filter elements<br> 4 * sponges<br> Only the above package content, other products are not included.<br> 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.