【Precise Compatibility: 】Custom-made for Dreame H12 Pro, the roller brush and filter fit the machine's size perfectly; seamless installation with no gaps or jams, no suction loss, direct use without modification to quickly restore cleaning efficiency 【Anti-tangle Roller Brush: 】ABS frame with dense elastic fiber bristles, deep clean dust and particles in floor crevices; anti-tangle structure reduces pet and long hair wrapping, easy to peel off hair after use and lower daily maintenance difficulty 【High-efficiency Filtration: 】The filter is made of multi-layer filter cotton and fiber, effectively trap fine dust, pollen and pet dander during cleaning; reduce dust backflow, good air permeability, regular replacement ensures stable operation. 【Easy Replacement: 】No professional tools needed for replacement, roller brush with buckle fixation for non-loosening installation; filter with pull-out design for easy access, simple to operate even for beginners. 【Practical Accessory Set: 】The set includes 1 roller brush and 1 filter, covering core wearable parts of the machine; wear-resistant ABS roller brush and high-adhesion filter cotton meet daily replacement needs, maintain the cleaning performance.