With the OMNI station’s disposable dust bags able to hold up to 90 days of dirt and debris (if used every day), it dramatically reduces the need to frequently replace the disposable dust bag, so that users can enjoy more convenience for weeks at a time. 1. Convenient, disposable bags for your Ecovacs OMNI Station. 2 Holds 60 days of dust, debris, and pet hair.3. Hypo-allergenic bag locks in particles for an easy and dust-free disposal.4. Includes 3 disposable bags.5. Only Compatible with the ECOVACS DEEBOT X1/X1e OMNI / T20 OMNI STATION.6. No tools are required for installation. The antibacterial agent SILVADUR TM 930 Antimicrobial(EPA Reg. No.:464-785) has been added to this dust bag.It imparts antimicrobial activity and prevents the growth of bacteria, mold, such as escherichia coli, staphylococcus aureus and mildew that may cause unpleasant odors, discoloration, or deterioration of the treated product.