[Applicable Machines]: Replacement Dust Bag compatible with Qrevo,S8 MaxV Ultra,S8 Max Ultra,Qrevo Pro,Qrevo S,Qrevo Master,Qrevo Plus Clean Base Automatic Dirt Disposal models. to check the model of your vacuum cleaner before making a purchase. [Effective cleaning]:The vacuum cleaner dust bags are advanced with a push-pull handle design, simply remove the full dust bag, without needing to touch dust when changing. Easy disposal without the cloud of dust. [Maximum Capacity]:The Qrevo dust bag with 2.7L capacity, each dust bag holds up to 60 days of debris (depending on how many times the sweeper sweeps and how much dust is in the home), the dust bag replacement kit is designed to meet the long term replacement needs of 10-12 months. Pro tip: Replace the bag when it is 2/3 full for optimal performance. [Sealing Rubber]:Upgraded sealing technology and thick rubber ring to decrease 33% leakage risk. Pull up the flap when replacing the dust bag, easy to seal off the dust and prevent the