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I will start with the fact that we have 3 golden retrievers and we run the roomba every night. The bag is the most changed item changing maybe every 4-6 weeks. It can hold a lot and packs in. The long dual brushes are taken out every 5 days or so and I remove hair from the ends. Takes 2 minutes at most, very easy. The filter life can be extended by taking it out every week and tapping it on the side of the sink to remove heavy dirt. I also use a small air compressor tip to blow back through it and it cleans up like new. Without the air I would say change every 1-2 months. The round brush that cleans edges needs taken off every month and clean hair under it. It lasts 3- 6 months. Again, we have 3 golden retrievers who shed a lot. If not for that, I would say all of the above would be done at intervals of 3 times as long at least. Hope this helps. I know it sounds like a lot but everything I mentioned is less than 5 minutes work. It is all very easy. It is a great machine.
Sorry, there was a problem. Please try again later.It does depend on usage and general maintenance (cleaning off rubber extractors, tapping out the filter, rinsing out the bin) but generally speaking you won't need to replace these parts very often. Filters tend to last 3-4 months, rollers generally 9 months or so in average homes.
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