General description The 10pcs Vacuum Cleaner Bags for iRobot Roomba are designed to provide high-quality dust collection for various iRobot models including i7, i3, i4, j7, and S9. Made from durable materials, these bags effectively trap dust and particles, ensuring a cleaner home environment. Technical specifications Material: 2 layers of non-woven fabric and 2 layers of melt-blown fabric Filtration efficiency: 99.97% of dust and particles Capacity: Holds up to 30+ containers of dirt, dust, and hair Installation Easy to install: Simply remove the used bag and replace it with a new one. Recommended replacement frequency: Every 2 to 3 months to maintain performance. Usage These vacuum cleaner bags are designed to collect all dust and debris, protecting the motor's life and reducing dust pollution in your home.