This premium replacement pre-filter is perfect for Tineco A10 A11 Hero, A10/A11 Master, A10 Dash, Pure One S11 cordless vacuum cleaners. Please check your machine number or part number before purchasing. This A10 replacement filter for Tineco is washable. It is recommended to replace the replacement part once every 2 months. A10 HEPA filter for Tineco made of high strength and healthy material to ensure a healthy lifestyle, greatly improving the air quality at home. A10 filter replacement filtration efficiency up to 99.97%. Pack includes 3pcs A10 replacement pre-filters for Tineco. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received.