How often should I clean my Dyson DC33c Mattress filter?
We recommend cleaning the Dyson DC33c Mattress filter once a month. The filter is washableārinse it with clean water only (no detergents) and let it dry completely for at least 24 hours before reinstalling.
How long does the Dyson DC33c Mattress filter last?
Plus.PartsĀ® filters last as long as, or even longer than, the original Dyson filters. As a general guideline, replace the filter every 3 to 6 months depending on usage. If the filter remains dirty after washing, it’s time to replace it.


A value pack of 3 premium-grade washable HEPA filters designed specifically for your Dyson DC33c Mattress vacuum cleaner. While these filters are washable, they require at least 24 hours to dry completely. With this multi-pack, you’ll always have a fresh filter ready for your Dyson vacuum cleaner. A trusted Plus.PartsĀ® alternative to the original Dyson part number(s) 923413-01.
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