1 / 7

Product guide

Mr.Pufferfish B221 1700 ml Dehumidifier

The Mr.Pufferfish B221 is a compact dehumidifier with a 1700 ml tank, timer and colour light. Its listed extraction rate is 0.4 litres per day, so it is aimed at smaller spaces and light moisture management rather than rapid whole-home drying.

At a glance

1700 ml tank with automatic shut-off when full, according to the listing.
Programmable 8, 12 or 24-hour timer and LED display.
Seven-colour ambient light can reportedly be switched off in sleep mode.
Manufacturer claims collection of up to 400 ml per day under optimal conditions of 30°C and 80% RH.

Price

£37.72Save 46%

Reference price: ~~£69.99~~

Price checked: 14 Nov 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Swizzels Squashies Tropical Flavour 100g, Fruity Flavoured Chewy Sweets | Includes Drumsticks, Fruity Pops & Double Lollies, Sweets For Parties, Snacking, Birthdays, Halloween & Christmas

£0.85

Pros and cons

Pros

Compact listed dimensions and 1 kg weight make it easier to move between rooms.
Timer, sleep mode and a light that can be turned off offer options for overnight use.
Automatic tank-full shut-off is useful when the unit is running unattended.

Cons

The listed extraction rate is modest at 0.4 litres per day, limiting suitability for substantial damp or large spaces.
The 1700 ml tank is small relative to larger dehumidifiers and will need periodic emptying.

Technical specifications

21 specifications

Identity
Brand	Mr.Pufferfish
Model	B221

Capacity and operation
Tank capacity	1700 Millilitres
Dehumidification capacity	0.4 Liters per Day
Airflow capacity	1.5 Cubic Metres Per Hour
Operating mode	Continuous
Number of speeds	2
Power	22.5 watts
Voltage	220 Volts
Upper temperature rating	40 Degrees Celsius

Controls and features
Listed features	Adjustable Fan Speed, Automatic Defrost, Automatic Shutoff, Digital Display, Sleep Mode
Timer	8/12/24-hour programmable timer
Noise claim	under 38 dB

Dimensions and installation
Dimensions listed	14D x 14W x 25.7H centimetres
Weight listed	1 Kilograms
Listed coverage area	196 Square Centimeters

Materials and appearance
Material listed	Acrylonitrile Butadiene Styrene (ABS), Polypropylene
Colour	White

Other details
Recommended use	Residential
Spare part availability duration	2 Years
Warranty claim	2-year warranty.

What to know before buying

Listing details to confirm

Listing details are inconsistent: the stated coverage area is 196 Square Centimeters, while the feature text claims suitability for spaces up to 10–25 m². The title describes touch control, while the details list a digital display without confirming the control type. The 0.4 Liters per Day specification corresponds to the separate claim of up to 400 ml per day under optimal conditions, but actual collection depends on conditions. Confirm the intended coverage and controls before buying.

What’s in the box

Included

Power adapter
Power cord
User manual

Who is it for?

A good fit for

People seeking a small, portable unit for light moisture management in a bedroom, bathroom or similar residential space.
Buyers who want a timer, sleep mode and tank-full shut-off in a compact appliance.

Less suited to

Buyers needing high extraction for persistent damp, laundry drying or large rooms.
Anyone relying on a clearly stated coverage area, which is inconsistent in this listing.

Mr.Pufferfish B221 1700 ml Dehumidifier · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 4 ratings

5 stars71%71%
4 stars29%29%
3 stars0%0%
2 stars0%0%
1 star0%0%

The supplied evidence contains aggregate ratings but no customer comments. The small rating sample is positive overall, but it cannot establish specific strengths, concerns or real-world performance. For buyers, the listed extraction rate and the inconsistent coverage-area information are more useful for judging whether this compact unit suits their space.

Frequently asked questions

How much water can the Mr.Pufferfish B221 remove?

The specification lists 0.4 litres per day. The feature text says up to 400 ml per day under optimal conditions of 30°C and 80% RH, so output may differ in other conditions.

How large an area is it intended to cover?

The listing gives conflicting area claims: 196 Square Centimeters in the details and 10–25 m² in feature text. Check the intended coverage with the seller before relying on it.

Does it switch off when the tank is full?

The listing says it automatically shuts off when the tank is full and flashes a red light.

What is included?

The listed components are a power adapter, power cord and user manual.