A dust filter is formed in the tiny dust and bacteria to reduce secondary air pollution.The filter uses gaskets, so there is no air/dust leakage.The air passes through the activated carbon, and the odor is absorbed by the absorbent, bringing fresh, clean and odorless air to the air you breathe.These filters are suitable for Deerma DX700.Block dust and reduce dust damage to sensitive parts of the machine.Eliminate dust, dust mites, pollen, spores, most bacteria and animals.Colour: black + grayMaterial: plastic + spongeSize: 41.5x80.5x103mmPackage Contents:6 * filter6 * filter cotton6 * motor cottonOnly 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.