This replacement part is suitable for A10/A11 Hero, A10/A11 Master, A10 Dash, S11, S12 and X Series, PWRHERO11 Snap cordless vacuum cleaner. confirm the vacuum model purchasing. This product is 4+4 filter accessory set, including 4 -filters and 4 post-filters. Using it and replacing it regularly will protect your The -filter uses a four-fold filtration system, polymer filter cotton layer by layer to isolate dust and other particles, to realize secondary purification. The post-filter adopts HEPA standard and folding filter design, releasing healthy and air. With the cleaning helper, your vacuum can work more efficient to air quality. Wash the filter in warm water and let it air dry completely use. To your vacuum cleaner works properly and optimally, it is recommended to replace the filter 3-6 months depending on your usage. [Suitable models] for A10/A11 Hero for A10/A11 Master for A10 Dash for S11 for S12 for Pure Series for PWRHERO11 Colour:As Shown Material:plastic Package Contents: 4 x filter 4 x post filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.