• Full compatibility with basic cleaning models of iRobot Roomba Series i, S, J, and Combo. • Improved sealing technology to prevent dust leaks. • High cleaning efficiency: captures more than 99.9% of dust particles and 0.3 microns. • Easy to use: simple replacement of vacuum bags. • Recommendation: change the filter bag every 2-3 months for optimal performance. • Bag dimensions: 4.7" x 5.1" x 6.5" (13 cm x 11.9 cm x 16.5 cm). • Customer service available for any inquiries.