This replacement bag will fit the iRobot Roomba i7 i7+ j7 j7+/Plus (7550) i3 i3+ (3550) i4 i4+(4552) i6 i6+ (6550) i8 i8+ (8550) s9 s9+ (9550) i j s. Combine 4 layers of different fabrics into one, better sealing performance, to achieve high strength and durable automatic dust bag. Vacuum cleaner bag is made of high-quality PP material and precision non-woven fabric, which can effectively block more than 99.9% of dust and 0.3 micron particles and debris. Vacuum bags are a cost-effective solution that maintains performance Date First Available January 27, 2023