General description This replacement accessory set is designed for iRobot Roomba vacuum cleaners, including models E5, E6, i7, i7+, i6, i6+, i3, i3+, i4, i4+, i8, and i8 Plus. It includes a variety of components to ensure optimal cleaning performance. Technical specifications Package contents: 24 pieces total 8 HEPA filters 8 side brushes 4 main brushes 3 screws 1 screwdriver 1 small brush Filter diameter: 10 microns Installation Easy installation with no tools required Quick and effortless replacement of filters and brushes Usage Recommended replacement intervals: filters every 2 months, side brushes every 3 months, and roller brushes every 6 months, depending on usage frequency Effectively removes dirt and dust from corners and edges Other information Made from durable and environmentally friendly materials High-efficiency filters block dust, mites, and allergens, removing 99% of dirt Innovative design features two opposing vacuums with durable rubber treads for effective cleaning