INNOVATION

Roller vacuum cleaning robot: Innovation in the high-end segment

Bùi Đăng Minh•Tuesday, October 6, 2026•14 min read
Roller vacuum cleaning robot: Innovation in the high-end segment

(Dan Tri) - In the high-end robot vacuum cleaner segment, users have more and more choices with increasingly perfect automation features. The difference of a product lies in how the device handles each cleaning step, especially floor cleaning.

With a roller mop robot vacuum cleaner, the mopping part is directly in contact with the floor surface and plays an important role in the entire cleaning process. This is also the area where manufacturers continue to improve, from roller design to how to supply water and maintain rollers during operation.

Roborock Saros 20 Flow Complete is a high-end robot line, equipped with new generation SpiraFlow 2.0 rollers. Instead of focusing solely on bringing the roller into contact with the floor, this design focuses more on how the roller is hydrated and cleaned throughout the mopping process.

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Roborock Saros 20 Flow Complete with multi-function charging dock system (Photo: Roborock).

Roborock Saros 20 Flow Complete with multi-function charging dock system (Photo: Roborock).

Innovation isn't just about the rollers

The highlight of SpiraFlow 2.0 is the 27 cm long roller, combined with 16 turbocharged nozzles that continuously deliver clean water to the roller. While the robot is cleaning the floor, the roller is also cleaned throughout the operation.

If you look at the development of cleaning robots, this is an outstanding improvement in the way the cleaning unit operates. Instead of considering roller cleaning as a separate step after the robot completes, the water supply and cleaning process are included right in the mopping cycle.

This approach also addresses one of the concerns when using a roller cleaning robot: the roller must both come into contact with dirt on the floor and also need to be maintained in a suitable state to continue performing work.

In addition to the water supply mechanism, the roller on the Saros 20 Flow Complete also has the ability to extend to reach areas close to corners and edges. This design helps the cleaning system not only focus on the large area in the middle of the floor but can also handle areas near walls and table and chair legs.

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Roborock Saros 20 Flow Complete cleans close to wall edges and corners (Photo: Roborock).

Roborock Saros 20 Flow Complete cleans close to wall edges and corners (Photo: Roborock).

What does improved rollers bring to users?

For users, changes in the structure or operating mechanism of the final roller still need to be reflected through the use experience.

The fact that the roller is continuously supplied with clean water and cleaned while the robot wipes helps make the operation process more seamless. Users do not need to consider cleaning rollers mid-cycle as a separate operation; The robot handles this step while performing the task of cleaning the floor.

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Roborock Saros 20 Flow Complete treats floor stains (Photo: Roborock).

Roborock Saros 20 Flow Complete treats floor stains (Photo: Roborock).

This is also the difference in the approach of a high-end robot model: not only adding cleaning capabilities, but further perfecting the way the cleaning part works from start to finish. After completing the cycle, the dock (charging dock) continues to perform roller washing and drying, helping to further automate the device care process.

For those looking for a roller robot vacuum cleaner in the high-end segment, the choice is not only based on whether the robot uses rollers or not, but also how the rollers are hydrated, cleaned, reach areas on the floor and treated after each cycle are also factors that make a difference in the usage experience.

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Notable technologies and features on Roborock Saros 20 Flow Complete (Photo: Roborock).

Notable technologies and features on Roborock Saros 20 Flow Complete (Photo: Roborock).

Saros 20 Flow Complete shows the direction of improvement by making roller maintenance part of the cleaning process itself, thereby leading to a more seamless and automatic cleaning experience for users.

Nguồn / Original source: Dân trí