The filter traps dust and allergic particles during the cleaning process, which is very suitable for asthma patients, allergy sufferers or pet families.Hepa Filter Side Brush for IRobot Roomba I7 I7+ I6 I8 I3 Plus E5 E6 Series Vacuum Cleaner Replacement Accessories 100% brand new and high qualityThe installation is simple, and it can be easily removed and replaced.The filter can maintain the cleaning performance of the vacuum cleaner while reducing the penetration of dust, pollen and other allergens into the air you breatheType: Vacuum Cleaner PartsVacuum part type: bagMaterial:plasticcolour:As shownPackage Contents: 1 pair x roller brush3 x side brush3 x screw3 x hepa filter3 x dust bagsOnly the above package content, other products are not included.Note: Light shooting 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.