General description The 5pcs iRobot Roomba i7 Bag is a specially designed replacement dust bag compatible with various iRobot Roomba vacuum cleaner models. These bags effectively isolate dust and allergens, making them an excellent choice for allergy sufferers. They are constructed from premium materials to ensure durability and prevent leaks. Technical specifications Compatible models: iRobot Roomba i7 (7150), i7+ / i7+ Plus (7550), E5, E6, E7, i3+ (3550), i6+ (6550), s9 (9150), s9+ (9550) Bag capacity: 3L Material: 2 layers of ultra-fine meltblown fiber filter paper and 2 layers of non-woven fabric Dust capture efficiency: 99% of dust and debris Usage Recommended replacement every 2-3 months to maintain vacuum efficiency Each bag can hold up to 60 days of dust, depending on usage frequency Disposable design allows for hygienic handling and disposal without creating a dust cloud Other information The open/close door design prevents dust from escaping during bag removal Effectively