2X AC4121+AC4123+AC4124 Filters Kit for AC4002 AC4004 AC4012 Air Purifier Parts,White

[filter screen replacement] replace the filter screen, start up the machine, reset the purifier, and then it can work normally It is best to replace the spare parts every 2 to 3 months to keep your sweeping robot running at . [applicable model] ac4004, other models can check the size, the same size can be general Made of high quality materials for durability