Usage Tips:[FILTER FOR E I SERIES]: Our high efficiency replacement parts are for vacuum cleaner I, E and J series: i7 i7+ i3 i3+ i4 i4+ i6 i6+ i8 i8+ j7 E5 E6 E7 vacuum cleaner, Please make sure to check your vacuum model before purchasing! (NOT FOR J7+) [HIGH PERFORMANCE]: High efficiency filter replacements help attaching of dust, dirty, pet hair, and small particles microns. To keep your Robot Vacuum running at , 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 best 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. [PACKAGE]: Package includes 3x filter replacement parts . highly cost effective filter for Vacuum, PLEASE NOTE: This filter can NOT be washed !!! It may damage the electrostatic and affect the adsorption effect. You can use the extra brush to clean your filter. Please note: the physical slightly color difference or difference, please do not mind, thank you! Material: plastic colour: As shown Package Contents: 3 x Replacement HEPA 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.