1. Perfect compatibility: Replacement parts kit with iRobot Roomba i6 (6150) i6+ (6550) i3 (3150 3158) i3+ (3550) i4 (4150) i4+ (4550) i5 i7 (7150) i7+ (7550) i8 (8150) i8+ (8550) Plus E5 (5150) E6 (6198) (6134) vacuum cleaner compatible. 2. Designed with a rubber tread that grabs and breaks down dirt and debris on any floor type, while the brushless design is virtually maintenance-free. 3. iRobot Roomba’s side-sweeping alternative reaches deep into corners and edges. Easy to install and durable, keep your home clean with the iRobot roomba vacuum cleaner. 4. JUNSUNMAY iRobot vacuum bag is made of 4 layers of melt-blown non-woven fabric, which effectively blocks 99.9% of dust and 0.3 micron particles, preventing dust from leaking into the air. Strong sealed edges make it 100% waterproof and leak-proof. 5. Replacing the high-efficiency filter can maintain the roomba’s cleaning performance. It is recommended to replace the iRobot Roomba high-efficiency filter every 2-3 months. 6. Packing list: Main roller brush x 2 Side brush x 2 Clean filter x 2 Vacuum bag x 2 Mini cleaning brush x 1