Replacement roller brush compatible with for iRobot Roomba i6(6150), i6+(6550), i3(3150), i3+(3550), i4(4150), i4+(4550), i7(7150), i7+(7550), i8(8150), i8+(8550).) Plus E5(5150)E6(6198)(6134) vacuum cleaner. The Dual Multi-Surface Brush Extractor is designed with a durable tread to grab and break up dirt and debris from any floor type, while the brushless design is virtually maintenance-free. These replacement parts are made of high-quality Material, and the surface brush extractor is designed with a durable tread to grab and break up dirt and debris from any floor type, and can capture all kinds of debris, dust, pet hair and other small particles. Please replace the brushes every 2-4 months to maintain the high performance of the vacuum cleaner<br><br>Material:plastic colour:green<br><br>Package Contents: 2 pair * roller brush 1 * clean brush<br><br>Only 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.