Pre Filter for A10/A11 Hero A10/A11 Master S11 S12 Vacuum aner Filter

EASY TO INSTALL Free your hands from the complicated replacement steps. No additional tools required. Good fit: This A10/A11 pre-filter fits A10/A11 Hero, A10/A11 Master, for the S11 series cordless vacuum cleaners and helps your vacuum cleaner to reach levels again. Design: 3 pieces A10 filters in one set help you always have a filter ready to use. Say goodbye to the days when you need to worry about the lack of additional filters. Quality above all: modern high-strength materials, the A11 filters are designed to last. Friendly Reminder: To vacuum cleaner works properly and optimally, it is recommended to replace the A10 filter every 1-4 months per use.