Compatiblility: The Vacuum Filters Replacement Are Compatible With Tineco A10 Hero, A10 Master, A11 Hero, A11 Master, Pure One S11 Series Cordless Vacuum Cleaners | | Premium Quality: The 2 Microfiber Pre Filters And 1 Hepa Filter Replacement For Tineco A10/A11 Hero/Master Vacuum Are Made Of High Strength And Environmental Protection Material To Ensure Healthy Lifestyle, Greatly Improving The Air Quality At Home. A10 Filter Replacement Filtration Efficiency Up To 99.97%, The Larger Area Hollow Out Design Allows The Vacuum Cleaner To Exert Greater Suction | | Washable And Reusable: The Pre Filter Are Rinsable, Hepa Filter Can Be Washed Under Running Water And Must Be Completely Dry Before Reinstalling. Please Replace The Pre Filter Every 3 To 4 Months, Hepa Filter Every 6 Months For Continuous Power Suction And Cleaning Performance | | Easy To Replace: The 2 Microfiber Pre Filters And 1 Hepa Filter Are Durable And Easy To Install, They Are Perfect For Your A10/A11 Hero Master .