During operation of the vacuum cleaner, a certain amount of dust gets back into the room, as a rule, these are the smallest particles. The filter for the vacuum cleaner helps reduce the level of air pollution with special filters that trap even small dust particles.⠀ Exhaust fine filters are installed on the outlet inside the vacuum cleaner and are designed to release hygienically . A highly efficient HEPA filter is used as such a filter.⠀ The flat pleated filter for the vacuum cleaner guarantees a cleaning efficiency of up to 99.9%.⠀⠀ The filter is made of high quality materials.⠀Recommendations: In order for your vacuum cleaner to work at maximum performance, the filters should be washed once a month and changed every 2 to 3 months. Filters provide effective air purification by significantly reducing dust, pollen, pet waste and other allergens from the air you breathe.⠀ Colour:As Shown Material:plastic Compatible with model: A1000 (1.293-104.00), A2204 (1.723-102.00), A2504