General description These 12 replacement vacuum cleaner bags are designed for iRobot Roomba i & s series models, including i7 (7150), i7+ i7Plus (7550), s9 (9150), s9+ and s9 Plus (9550, 955020). They are compatible with all Clean Base automatic dirt handler models, ensuring efficient dirt disposal. Technical specifications Material: Ultra-fine melt-blown fiber filter layer and non-woven fabric Capacity: Each bag can hold up to 30 units of dust, hair, and debris Other information Quality priority: Effectively blocks pollen and small dust particles Advanced technology: Features a push-pull design for strong sealing performance Value for money: Pack includes 12 clean base dirt disposal bags