Source Replacement Parts Tangle Free Debris Extractor Brush for iRobot Roomba 800 series 900 Series 870 880 890 960 980 Rollers Brush on m.alibaba.com
iRobot® Tangle-Free Debris Extractor Set for Accessories 800 and 900 Series Robots & Reviews | Wayfair
iRobot Roomba 800 and 900: debris extractor pack
Amazon.com: LOVECO 4 Set Replacement Debris Extractor Compatible for iRobot Roomba E Series E5 E6 i Series i1 i1+ i7 i7+ i7 Plus i6 i6+ i3 i3+ i4 i4+ i8 i8 Plus