








Dyson PencilWash Wet Floor Cleaner | 637218-01
Check out the video:
Effort less. Clean More
Self-propelled. Glides Effortlessly. Washes Hard Floors
A powerful motor rotates the roller to deliver self-propelled motion – gliding through wet and dry mess with ease.
Steers Naturally with a Simple Twist
The ultra-slim, lightweight handle is just 38mm in diameter and 380g in hand – for ergonomic, intuitive steering.
Swivels Smoothly Around Obstacles
Engineered with a flexing neck, the cleaner head effortlessly manoeuvres around obstacles with smooth, controlled movement.
Reaches Deep Under Furniture
The low-profile design leans back 170°, so you can clean under furniture and into tight spaces without losing performance.
Removes Wet and Dry Mess Simultaneously
The 64,000-filament microfibre roller powerfully washes away wet spills and stains, while removing debris and dirt.
Continuous Hygienic Cleaning
Dirty water and debris are extracted from the roller on every rotation, while eight hydration points ensure the floor is always washed with clean water.
Even Coverage Across 100m² [3]
A 300ml clean water tank covers up to 500 standard tiles.[4] Stored at the base for optimum balance and less weight in hand.
Suitable for Stains
For spot-cleaning and dried-on stains, switch to MAX mode.
Achieves a Quick-drying Finish
Floors are left shining and dry in just a matter of minutes.
Compact, Convenient Storage
A charging dock for the wand, a clip-on drip tray for the cleaner head. Slimline and easy to store.
Suitable for All Hard Floor Types
Ideal for tiles, vinyl, laminate and sealed wooden floors anywhere around the home.
No Unhygienic Filter
Waste is contained at the cleaner head, so no dirt is drawn upwards or caught in a dirty filter.
Get More From Your Machine
Keep your cleaner performing at its best with Dyson care and maintenance video guides. Plus, tips on cleaning your hard floors, hygienically.
Hygienic cleaning, stain removal, quick drying – in Dyson slimmest design[1]
64,000 Microfibre Filaments
An absorbent roller powerfully washes away wet spills and stains, while removing dry dust and dirt – simultaneously.
Automatic Dirt Extraction
Dirty water and debris are removed from the roller on every rotation.
Eight Hydration Points
The roller is continuously refreshed with clean water across eight points – delivering even coverage from start to finish.
Clean Water Tank at the Cleaner Head
300ml to cover 100m[2]. Stored at the base, not the handle, for optimum balance and control.
Ultra-slim, Lightweight Handle
Just 38mm in diameter, the ergonomic handle feels light in hand and steers naturally with a simple twist.
Low-profile Format. Leans Back 170°
Clean under low furniture and into tight spaces, without losing performance.
Motorised Brush Bar
A powerful motor rotates the roller to deliver smooth, self-propelled motion – effortless and fluid.
Flexing Neck. Swivels with Ease
Navigate around table legs and obstacles with smooth, controlled movement.
4-cell Lithium-ion Battery
30-minute run time.[2]
LED Screen
Displays power modes, battery charge and maintenance alerts. So you can stay informed.
Two Power Modes
- Standard: the default mode for everyday hard floor cleaning, indicated by one water droplet icon
- MAX: for spot-cleaning stains, indicated by two water droplet icons
Compact Storage
A charging dock for the wand, a clip-on drip tray for the cleaner head. Slim-line and easy to store.
Notes:
1. Compared against top 5 brands globally, with top 3 dedicated floor washer models from those brands, from GFK, FEB, and Circana data from June 2024 to June 2025 tested internally to DTM-021.
2. In single battery charge. Actual run time may vary based on the product usage.
3. Floor coverage is simulated in low hydration mode based on single clean water tank filling. Floor coverage may vary based on mode, usage and cleaning routine.
4. Calculated using 0.45m × 0.45m tiles, actual coverage may vary with mode, usage, and tile installation.
What's in the Box:
- Wand Charging Dock
- Clip on Drip Tray
- Cleaner Head
Product Features:
- Cleaning coverage: 100 m
- Self-propels
- For wet and dry mess
- Automatic dirt extraction
- Fast-drying finish
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Check out the video:
Effort less. Clean More
Self-propelled. Glides Effortlessly. Washes Hard Floors
A powerful motor rotates the roller to deliver self-propelled motion – gliding through wet and dry mess with ease.
Steers Naturally with a Simple Twist
The ultra-slim, lightweight handle is just 38mm in diameter and 380g in hand – for ergonomic, intuitive steering.
Swivels Smoothly Around Obstacles
Engineered with a flexing neck, the cleaner head effortlessly manoeuvres around obstacles with smooth, controlled movement.
Reaches Deep Under Furniture
The low-profile design leans back 170°, so you can clean under furniture and into tight spaces without losing performance.
Removes Wet and Dry Mess Simultaneously
The 64,000-filament microfibre roller powerfully washes away wet spills and stains, while removing debris and dirt.
Continuous Hygienic Cleaning
Dirty water and debris are extracted from the roller on every rotation, while eight hydration points ensure the floor is always washed with clean water.
Even Coverage Across 100m² [3]
A 300ml clean water tank covers up to 500 standard tiles.[4] Stored at the base for optimum balance and less weight in hand.
Suitable for Stains
For spot-cleaning and dried-on stains, switch to MAX mode.
Achieves a Quick-drying Finish
Floors are left shining and dry in just a matter of minutes.
Compact, Convenient Storage
A charging dock for the wand, a clip-on drip tray for the cleaner head. Slimline and easy to store.
Suitable for All Hard Floor Types
Ideal for tiles, vinyl, laminate and sealed wooden floors anywhere around the home.
No Unhygienic Filter
Waste is contained at the cleaner head, so no dirt is drawn upwards or caught in a dirty filter.
Get More From Your Machine
Keep your cleaner performing at its best with Dyson care and maintenance video guides. Plus, tips on cleaning your hard floors, hygienically.
Hygienic cleaning, stain removal, quick drying – in Dyson slimmest design[1]
64,000 Microfibre Filaments
An absorbent roller powerfully washes away wet spills and stains, while removing dry dust and dirt – simultaneously.
Automatic Dirt Extraction
Dirty water and debris are removed from the roller on every rotation.
Eight Hydration Points
The roller is continuously refreshed with clean water across eight points – delivering even coverage from start to finish.
Clean Water Tank at the Cleaner Head
300ml to cover 100m[2]. Stored at the base, not the handle, for optimum balance and control.
Ultra-slim, Lightweight Handle
Just 38mm in diameter, the ergonomic handle feels light in hand and steers naturally with a simple twist.
Low-profile Format. Leans Back 170°
Clean under low furniture and into tight spaces, without losing performance.
Motorised Brush Bar
A powerful motor rotates the roller to deliver smooth, self-propelled motion – effortless and fluid.
Flexing Neck. Swivels with Ease
Navigate around table legs and obstacles with smooth, controlled movement.
4-cell Lithium-ion Battery
30-minute run time.[2]
LED Screen
Displays power modes, battery charge and maintenance alerts. So you can stay informed.
Two Power Modes
- Standard: the default mode for everyday hard floor cleaning, indicated by one water droplet icon
- MAX: for spot-cleaning stains, indicated by two water droplet icons
Compact Storage
A charging dock for the wand, a clip-on drip tray for the cleaner head. Slim-line and easy to store.
Notes:
1. Compared against top 5 brands globally, with top 3 dedicated floor washer models from those brands, from GFK, FEB, and Circana data from June 2024 to June 2025 tested internally to DTM-021.
2. In single battery charge. Actual run time may vary based on the product usage.
3. Floor coverage is simulated in low hydration mode based on single clean water tank filling. Floor coverage may vary based on mode, usage and cleaning routine.
4. Calculated using 0.45m × 0.45m tiles, actual coverage may vary with mode, usage, and tile installation.
What's in the Box:
- Wand Charging Dock
- Clip on Drip Tray
- Cleaner Head
Product Features:
- Cleaning coverage: 100 m
- Self-propels
- For wet and dry mess
- Automatic dirt extraction
- Fast-drying finish




















