Product Feature ?Compatible with Roomba I E Series: Filters are Compatible with irobot Roomba i7 i7+ i3 i3+ i4 i4+ i6 i6+ i8 i8+ j7 j7+/Plus E5 E6 E7 vacuum cleaner. ?High Efficiency Filtration: The roomba filter replacement is made of non-woven polymer that helps capture 99.9% of fine dust, dirt, hair, etc. For best performance, we recommend replacing or cleaning the roomba filter every few weeks, which will improve filtration efficiency and extend the life of the irobot. ?Easy to install: No tools are needed to replace the roomba filter. You just need to remove the used filter from the roomba and put the new one on it, which takes only tens of seconds to a minute. Product Specification Type Filter Kit Number in Pack 9pcs Compatible Model For iRobot Roomba i7 i7+ i3 i3+ i4 i6 i6+ i8 i8+/Plus E5 E6 E7 Color White Compatible Brand For iRobot Package Included ?9 x Hepa Filter