The RHF10 dust tank filter for Dreame D10 Plus and D9 Plus robots captures over 95% of particles ?0.3 ?m, including pollen and pet dander, preventing recirculation. Constructed with multi-layer non?woven and HEPA materials, it installs and removes tool?free. Durable and washable, each pack of two filters maintains optimal suction performance and indoor air quality, reducing maintenance intervals.