The Dreame D20 Ultra is an RAK35 platform robot vacuum featuring a floating rubber roller main brush, twin counter-rotating mop discs that oscillate against the floor and lift automatically when crossing carpet, and an auto-wash station that rinses the mop pads with water after each clean cycle. It shares the RAK35 consumable family with the L10s Pro Ultra, Mova E30 Ultra, and L40 Ultra series, but its mop disc architecture and filter care schedule differ from the L-series twin rotary pad configuration. The floating rubber main brush should have both bearing seats cleared of compacted hair every one to two weeks; replace every six to twelve months. The HEPA filter is tapped every one to two weeks and washed under cold running water once a month; allow 24 hours of drying before reinstalling, and replace every three to five months. Twin mop disc pads are auto-rinsed by the station after each run and replaced every two to three months. The station dirty-water tray should be emptied and rinsed every one to two runs, with the rinse brushes wiped monthly and descaled every one to two months in hard-water areas.
This parts bundle covers the full consumable scope of the RAK35 platform: 2 rubber main brushes, 4 side brushes, 4 mop cloths, 8 HEPA filters, and 4 dust bags — 22 components in a single order. Plus.Parts® alternative to RAK35.
If you have a question about the Dreame D20 Ultra or the RAK35 platform, the VacuumReviews.eu team answers personally and works to resolve queries without unnecessary delay.
At a glance
- Full Consumable Coverage – Brushes, mop cloths, filters, and bags in one set, so no single component is extended past its service interval waiting for a separate delivery.
- RAK35 Platform Verified – All components matched to the twin oscillating mop disc architecture of the D20 Ultra, sourced and verified for direct fit.
- Washable Filter Included – The HEPA filter is monthly-washable on this platform; 8 filters in the set give long coverage across the replacement cycle.






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