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The Bosch Floor Washer Series 4 and Series 6 stand next to each other in a living room, with a plant and a side table besides them.The Bosch Floor Washer Series 4 and Series 6 stand next to each other in a living room, with a plant and a side table besides them.

The new OneFlow Floor Washer

Vacuum and mop at once. Twice as fast.¹

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Thorough cleaning in one go

Forget vacuum first and mopping after. Our OneFlow cleaning technology eliminates double work. The powerful system picks up dust and dirt, while washing away stains and spills. Leaves your floor spotless in one go, saving time and effort.

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Discover our Bosch OneFlow Floor Washers

Cleaning faster, easier and more effective.

The OneFlow Floor Washer vacuums and mops simultaneously, making everyday floor cleaning faster and more effective. Powerful suction removes stains, dust and spills in a single pass, gently caring for your hard floors without damage. The high heat self-cleaning and hot air drying system keeps the roller fresh, hygienic and dry after every use.

Our OneFlow Floor Washer highlights:

  • Vacuum and mop in one go: deep clean all your hard floors in half the time¹.
  • Know when it's truly clean: smart features signal when the job is done.
  • Eliminates dirt and musty smells: 70°C⁴ hot water self-cleaning and hot air drying after every use.

  • Reaches everywhere: 180° lie-flat design cleans under furniture, while edge-to-edge cleaning tackles all borders and corners. No do-overs needed!

Discover the OneFlow series (opens in a new window)
A happy woman easily cleans a large, colorful spill from a wooden floor using the Bosch floor washer in a living room.
Split image comparing a Bosch floor washer easily cleaning a mess to a person using a traditional mop and bucket.
Collage of the Bosch floor washer, highlighting its cleaning head, the digital display, and the ergonomic handle design.
Split image showing the easy maintenance, with a hand removing the roller brush and a person refilling the water tank.
cleaning_1200x680.png Top-down view of the Bosch floor washer cleaning dirt and spills right up to the edge of a wall and white cabinet.

Cleaning needs covered

A person uses the Bosch Floor Washer on a floor with large spills, in the background various kids toys can be seen.
High performance cleaning powerEasily bites dust, sticky stains, big messes and spills - thanks to 24kPa² suction power and 23N² pressure on the floor. Buy now
A person uses the Bosch Floor Washer to clean up spilled milk and cat food, showcasing how the Floor Washer cleans wet surfaces.
Simple and time savingHassle-free vacuuming and mopping floors - all within a single, stream lined design. Saving time and effort.Buy now
The Bosch Floor Washer is shown from above, with the self-cleaning system at work while in the charging station.
Deep self-cleaning systemThe automated self-cleaning function flushes with hot water, then hot air dries the roller brush. Leaving your floor washer clean, odour-free and ready to use.Buy now
The Bosch Floor Washer stands in a living room, with symbols marking how long the battery lasts.
Certified battery to rely onTested built-in Bosch battery delivers enough runtime for up to 150 sqm³ in around 40 minutes of cleaning - so you can finish in one go.Buy now
The Bosch Floor Washer is being used to clean up a coffee spill as seen from above, showing the MicroClean Ring function on the appliance.
Hands-on guidance, spotless resultsNo need to guess if the dirt is gone - the MicroClean Ring signals when your floor is perfectly clean. Saving you time and effort.Buy now
An infographic with various types of spills and dirt shows how the Bosch Floor Washer can switch between modes to clean.
3 cleaning modes for a spotless floorWhether you're cleaning dry dirt, liquids or just doing daily cleaning: no need to worry. Thanks to 3 cleaning modes (Auto/Turbo/Dry) and auto-adjusted water dosage, you always get deep cleaned floors that aren't soaked.Buy now
A woman uses the Bosch Floor Washer to easily reach under furniture and clean hard-to-reach spots.
180° lie-flat reach with LED lightsReach under furniture with ease. True 180° lie-flat design slides under sofas and cabinets, while front LEDs reveal hidden dirt in dark spots.Buy now

Compare floor washer models

Bosch floor washer OneFlow Series 4
Bosch floor washer OneFlow Series 6
Price
From
Price
From
Color
White
Color
Black
Weight
5,3 kg
Weight
5,6 kg
Dimensions
1161 x 304 x 359 mm (h x w x d)
Dimensions
1161 x 304 x 359 mm (h x w x d)
Suction power
24.000 Pa²
Suction power
24.000 Pa²
Runs for
Up to 150 sqm³ in around 40 minutes
Runs for
Up to 150 sqm³ in around 40 minutes
Charges in
~5h 
Charges in
~5h 
Self-cleaning of roller brushes and pipes
High heat self-cleaning (70°C)⁴
Self-cleaning of roller brushes and pipes
High heat self-cleaning (70°C)⁴
Drying modes with hot air 
Quick (5 min)
Silent (20min)
Drying modes with hot air 
Quick (5 min)
Silent (20min)
Auto detergent dosing-
Auto detergent dosing
✓
Bi-directional assistance-
Bi-directional assistance
✓
Noise level
77dB (Auto Mode)
78 dB (Turbo Mode)
Noise level
77dB (Auto Mode)
78 dB (Turbo Mode)
Included accessories ⁵ 
Additional filters and roller brushes
Included accessories ⁵
Additional filters, and roller brushes

Any more questions?

FAQ Bosch OneFlow Floor Washer

Didn't find what you are looking for?

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Footnotes

¹ Based on internal testing in comparison to traditional vacuuming and mopping.

² Based on Bosch internal testing. Actual results may vary depending on usage conditions.

³ Measured internally in auto mode based on EN IEC 62885-4:2020/A1:2023 cl. 6.16.

⁴ Based on Bosch internal testing. Actual water temperature may vary.

⁵ Depending on model

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