[HIGH PERFORMANCE]: High efficiency filter replacements help attaching of dust, dirty, pet hair, and small particles microns. To keep your Robot Vacuum running at peak performance, it's recommended to clean the filter replacements every few weeks and replace every two months. [PREMIUM QUALITY]: Our filter replacements is made with Plastic, use high-strength and environmentally friendly materials to ensure performance. The edge of the filter is perfectly bonded to the plastic frame. Effectively help to extends the life of your robot vacuum. [EASY TO INSTALL]: This filter replacements are very easy to be replaced and installed on your vacuums. no tools required. Simply remove and replace i7 replacement filters from your machine when needed. Just cost you few minutes, saving you more time and energy. [VALUABLE PACKAGE]: highly cost effective filter for Vacuum. FILTER FOR ROOMBA E I SERIES: Our high efficiency replacement parts are for iRobot Roomba vacuum cleaner I, E and J series: i7 i7+ i3 i3+ i4 i4+ i6 i6+ i8 i8+ j7 E5 E6 E7 vacuum cleaner PLEASE NOTE: This filter can NOT be washed !!! It may damage the electrostatic attraction and affect the adsorption effect. You can use the extra brush to clean your filter. Please make sure to check your vacuum model before purchasing! (NOT FOR J7+) Material: plastic colour: As shown Package Contents: 9 x filters 1 x cleaning brush 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.