General description 100% Brand New and High Quality. This water tank filter is designed for Xiaomi Roborock S50, S51, S55, T60, and T61 vacuum cleaners. Made from high-quality PC material, it ensures durability and helps maintain optimal cleaning performance by replacing spare parts in a timely manner. Technical specifications Material: Plastic Color: As shown Package Contents: 1 x Tank, 36 x Core Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with Xiaomi Roborock models: S50, S51, S55, T60, T61 Usage Do not add corrosive or soluble liquids, such as laundry detergent, when using it to clean. It is recommended to use each set of spare parts for six months before replacing them with new ones.