The Roborock QX Revo Ultra is the top-specification second-generation 18,500 Pa Qrevo flagship model, equipped with the DuoDivide dual-roller anti-tangle main brush, FlexiArm extending mop for complete wall-edge coverage, FlexiArm side brush on an arc arm, and Dock 3.0 with 75°C mop washing and warm-air drying. The “Ultra” designation reflects premium AI obstacle recognition and navigation capability over the standard second-generation models. It shares the second-generation 18,500 Pa maintenance set with the Qrevo Curv 2 Pro, Qrevo CurvX, and Qrevo EdgeT; these parts are not interchangeable with first-generation 18,500 Pa consumables from the Qrevo Curv or Qrevo Edge.
This kit is a Plus.Parts® alternative to the original Roborock part, supplying 2 anti-tangle brush sets, 4 side brushes, 6 filters, 4 dust bags and 4 mop pads – 20 parts. The HEPA filter at 18,500 Pa loads roughly three times faster than on the 5,500 Pa base Qrevo; replace every two months and tap out weekly to maintain rated suction. Both DuoDivide rollers require servicing at every brush clean, and the central divider channel must be cleared at the same time: this channel is the core of the anti-tangle design, and a packed channel means hair wraps both rollers simultaneously rather than being intercepted. The FlexiArm side brush arc rail needs a monthly wipe to prevent grit build-up from restricting extension travel; incomplete extension leaves a visible unswept strip along walls. Wipe the Dock 3.0 spray nozzle monthly, or every two to three weeks in hard-water areas. Inspect mop pads at six weeks because FlexiArm extension during each revolution accelerates rim wear on this platform.
At a glance
- Matched to Your Device – Every part fits the QX Revo Ultra directly, covering the DuoDivide brush housing, filter bay, dock bag slot and FlexiArm mop mount without modification.
- Complete Reset in One Order – 20 parts spanning every consumable the robot and Dock 3.0 work through: brush sets, side brushes, filters, dust bags and mop pads.
- Fit for 8.02.0388 – Direct replacement for the original Roborock part number 8.02.0388 / 8020388 for the second-generation 18,500 Pa flagship tier.
- VacuumReviews.eu Backed – Reviewed and stocked by a team specialising in Qrevo-series maintenance; reach out if any part does not seat as expected and we will resolve it.






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