Features: Made of high quality material, durable and wear-resistant, solid and long lifetime Antibacterial, white and gray three types are available to meet your personalized preference Filter, effective protection of the sweeper motor, blocking dust into the air outlet to avoid secondary air pollution Recommend to replace the accessories regularly to improve the cleaning performance and suction of your sweeping robot Also can help to provide you with fresh air and healthy living environment Specification: Types (Optional): 1x Antibacterial Filter, 6x Antibacterial Filters, 1x White Filter, 6x White Filters, 1x Gray Filter, 6x Gray Filters, 1x Antibacterial Filter + 1x White Filter + 1x Gray Filter Applicable Models: for ECOVACS T5/T8/T9/N8/N5 Sweeping Robot Package: 1x Antibacterial Filter Or 6x Antibacterial Filters Or 1x White Filter Or 6x White Filters Or 1x Gray Filter Or 6x Gray Filters Or 1x Antibacterial Filter + 1x White Filter + 1x Gray Filter