Our filters are made of high-strength and environmentally friendly materials, which can effectively avoid secondary pollution and bring health to you and your family!The same size and thickness as filters, make sure the filters are compatible with the shark machine; The seal is just right and will not be very tight, same the suction. The air circulation is good and it can be easily pulled out without damaging the machine.Can be installed in less than a minute, easy to cleaned & reused, just clean them with clean water and let them dry completely, and then you can use them again.In order to keep it running on peak suction, we suggest you clean filter every 2-4 weeks.The high-efficiency filtering effect can ensure air circulation, improve the suction power of the vacuum cleaner, and can easily capture most of the dust and protect your machine, is a good helper for your cleaning!Material: ABS+filter cotton+spongeColor as shownPackage Contents:3 x Filter3 x Sponge3 x Filter cottonOnly 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.