General description The 10 Vacuum Cleaner Bags for iRobot Roomba are designed for various models including i7, i7+, i3, i3+, i4, i4+, i6, i6+, i8, i8+, S9, S9+, j7, j7+, E5, and E6. These replacement bags are made from high-quality materials to ensure durability and effective dust collection. 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 Designed to protect the motor and reduce dust pollution in your home. Prevents clogging of the vacuum cleaner's dust collection system.