Compatible: Replacement compatible with for S7 MaxV Ultra/S7 Pro Ultra. This accessory has been developed for S7, which can be used for up to 12 months Rubber double roller brush: the double main brush is made of high-quality rubber material, and practical. The rubber material protects floor, the precision buckles do not fall off and rotation is smooth. Reinforced suction, effectively removes dirt and reduces hair tangles, taking thorough cleaning to level. Highly efficient dust removal bag: the dust removal bag is made of a high-quality melt-blown fibre filter layer and a non-woven fabric that can effectively filter 99% of harmful substances. Can effectively filter dust, pet hair and tiny particles. Improved microfibre cloths: The improved 2.0 wipes are made of microfibres with silver ions, which can remove more than 99% of and suppress odours. Super absorbent and clean, suitable for all types of hard floors, leaves no scratches on floor and effectively removes stains. Easy to