General description Replacement vacuum filters designed for Tineco A10 Series, A11 Series, PURE ONE S11, and S11 Series models. This set includes 6 pre-filters and 6 HEPA filters, ensuring high efficiency and compatibility with various cordless vacuum cleaners. Technical specifications Color: as shown Material: Acrylonitrile Butadiene Styrene (ABS), HEPA Package Contents: 6 x Pre-filters, 6 x HEPA filters Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with: A10 Hero, A10 Series, A11 Hero, A11 Series, S11, S11 Series, PWRHERO11 Snap, S12 Pro EX Installation Easy installation: Simply remove the old filter and install the new filter in place. Usage Washable and reusable: Clean the replacement filter with water to remove dust and dirt; ensure it is completely dry before reinstallation. Recommended replacement schedule: Pre-filter every 3-4 months, HEPA filter every 6 months for optimal performance.