Compatible Models: Perfect for T30 Pro Omni Vacuum Cleaner, T30 Omni Robot Vacuum Cleaner. Please confirm the model number before purchasing. dust bag: The bag consists of one layer of activated carbon granules, two layers of melt-blown fiber and one layer of non-woven fabric. The four-layer filter system works with the cleaning station to effectively capture 99% of 2.5 m dust particles and . Easy to install and remove. perfect for home, office, industry. With strong sealing to block all dust inside and prevent leakage. We suggest replacing your vacuum bag when 2/3 full or once a month. Keep your vacuum cleaner clean and improve the filter's suction power. It is recommended to replace the accessories every 1-2 months, it depends on your usage frequency and cleaning environment. Delivery with a sturdy box to avoid being damaged during transportation. It is easy to replace and install on your robot vacuum cleaner. No additional tools are needed. Colour:Photo Color Material:plastic Package Contents: 6 x filter 6 x side brush 6 x rag 6 x dust bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.