Hign-concerned Chemical : None Vacuum Part Type : BRUSHES Model Number : Roborock S7 S70 Brand Name : roborock Type : Vacuum Cleaner Parts Origin : Mainland China High Efficency Disposal Dust Bag: Our replacement disposal dust bag, capture more than 99.7% large praticles from home, also more efficency than others dust bag. Non-woven design, disposal dust bag well-sealing edge, solving the trouble of frequent replacement disposal dust bag. Unbeatable Value: Provide enough replacement kit for your to change your old S7 dust bag with less spend. Easy to Install: No tool required, also free your hands from the complicated install steps. Our S7 replacement disposal dust bag fit for your replacement part, the dust bag can be easily installed in the machine and work well. so you can easy to replace your old dust bag at a short time without any tool. As part of routine maintenance.For best results, filters should be replaced every 2 - 3 months. Compatible models: For Roborock T7S For Roborock T7Splus For Roborock S7