These replacement bags fit iRobot roomba i & s series i7(7150), i7+ i7Plus(7550), i8(8150), i8+ i8 plush(8550), i3(3150), i3+ i3plush(3550), i4 i4+(4552 ) , I6 (6151515152). 0) i6+ i6Plus(6550), s9(9150)s9+ s9 Plus(9550,955020) robot vacuum cleaners. Compatible with all automatic dirt handling models Clean Base. Including 18 automatic dirt disposal bags. Large packs are more affordable and meet your needs. your replacement needs long term. Comparé to traditional cleaning methods, this bag dustproof has a strong waterproof performance. and can be easily discarded. dust-free. The high-efficiency filter keeps Roomba clean while reducing the ingress of dust particles. Each bag has; can hold 30 bins, so you don't have to. vacuuming for several weeks at a time. Efficient Service - If you have any questions, don't hesitate to call; contact us, we will serve you wholeheartedly.