High Performance - Snap into place for quick and effortless replacement.No required,easy to replace the filter. Maintenance - Keep your robot running at performance by changing the consumable replacement kit 2~3 month,depending on your frequency. Package Included - 16 X high efficiency filters.Perfect your robot vacuum . This Filters with i7+(7550)/i7 i3+(3550) j7+ (7550) plus E5 E5(5150) E6 (E6198) E7 i2(2152) i4+(4550 4552) i6+(6550) i8+(8550) i1 i1+ I & J & E series Robotic Vacuum . This set works as great as the original ones, fit and easy install. Material: plastic colour: As shown Package Contents: 16 x hepa filter Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.