We love having a spare dust bag for our Roborock S6. It's identical to the one that came with the vacuum cleaner, but even better because it's made of transparent plastic, not dark one. Transparent makes it easier to see how much rubbish is in the bin. But sure or not, it's a pleasure to have two along with a few spare filters. We change bins every day, which you do NOT have to do, but I'm sure a vacuum works best. The rotation allows us to wash and dry one while the other is in the vacuum. We…