Ever-ready Kit: 2 pcs Pre Filter and 1pc Rinse-free Filter-cleaning Tool, for Tineco A10/A11 Hero/Master, always ready to get your suction back.
About Pre Filter: the Pre Filter is crucially important for suction power and suction efficiency, you need to deep clean or replace the filter periodically to prevent suction loss.
Pre filter is rinsable and must be completely dry before reinstalling. Please replace the pre filter every 3-4 months for continuous cleaning performance.
About Filter-cleaning Tool: Tineco Rinse-free Filter-cleaning Tool offers a 10sec convenient deeper clean solution to get your suction back instead of an unthorough rinsing and tedious 24hr waiting.
Tineco Patent: unique patented design only found in Tineco for an easier clean life.
Please Note: for the filter comes with A10 series, we advise to rotate the knob of the filter with cover opened; for the other series, you can simply rotate the closed cover.