Amazon.co.jp: Compatible with Roomba 800 900 Series Consumables Set Compatible with 870 880 980 Aeroblast Edge Cleaning Brush Dust Cut Filter (Set of 8) : Home & Kitchen
Amazon.co.jp: Roomba Dust Cut Filter for iRobot Roomba 800 900 Series 870 871 875 880 885 900 980 Compatible 5 Piece Set : Home & Kitchen