Filters maintain Roomba's cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe.For best results, filters should be replaced every 2 - 3 months.For use with Xiaomi Mijia 1C STYTJ01ZHM/Dreame F9 Robot Robot onlyMade of environmental protection material.Colour: white + blackMaterial: plasticPackage Contents:4 * Hepa FiltersOnly the above package content, other products are not included.Note: Light shooting 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.
