OTTOblue 1,003 €
Deliveryabout 1–4 days
Returns30-day free returns
Dyson Purifier Big+Quiet Formaldehyde BP04
Its CADR is not known yet, so it is not in our ranking.
Is the Dyson Purifier Big+Quiet Formaldehyde BP04 right for your home? Find out in 7 questions →
Before you buy, compare it with 2 recommended alternatives
Beside it, two models on sale today that come closest to it on score and price, for the same room size where we have them.
Green is the best of these 3, also when they share the lead.
| This model Dyson Purifier Big+Quiet Formaldehyde BP04 | Higher score, 87% cheaper Clean Air Optima CA-503 Compact Best on 2 facts | Higher score, 61% cheaper AEG APO50371DG Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | 1,003 €OTTO | 132 €OTTO best | 386 €EURONICS |
| Score | not in our ranking | best | |
| Rank | – | rank 1 of 1 for small rooms | rank 1 of 3 for medium rooms |
| Customer rating | – | – | – |
| Room size | |||
| Room size | –up to 100 m² | small roomsup to 30 m² | medium roomsup to 17 m² |
| Size, noise and age | |||
| Height lower is better | 83 cm | 27.4 cm best | 40.5 cm |
| On the market since | – | August 2023 | – |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Prices per shop
On 18 October 2026 the lowest price for the Dyson Purifier Big+Quiet Formaldehyde BP04 is 1,003 € at OTTO, delivery to Germany included.
All prices include VAT and delivery to Germany. We may earn a commission when you buy through these links. It never changes our ranking.
OTTOblue Price history
Lowest price per day
Lowest since 17 Oct1,003 €
Highest since 17 Oct1,003 €
Price drops since 17 Oct0no drop seen yet
Dyson Purifier Big+Quiet Formaldehyde BP04 specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Consumables: The filter lasts about 60 months and the carbon filter about 24 months.
Cleaning performance 1 fact
- Room size the maker claims
The room size the maker states. Makers use different rules, so we show it but never rank on it.
- 100 m²
Filter 3 facts
- HEPA filter class
How fine the filter is. True HEPA and H13 catch at least 99.97% of particles at 0.3 microns. HEPA-type is a weaker claim with no test behind it.
- H13 HEPA
- Filter layout
Whether the particle and carbon layers are one filter or separate ones. Separate filters let you replace only the part that is spent.
- Separate filters
- Activated carbon filter
A filter of activated carbon that takes out smells and some gases. It does not catch particles.
- yes
Running costs 2 facts
- Filter life
How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less.
- 60 months
- Carbon filter life
- 24 months
Air quality sensing 2 facts
- Air quality sensors
What the purifier measures in the air. A particle sensor lets it speed up and slow down by itself.
- PM2.5, PM10, VOC, Formaldehyde, Nitrogen dioxide, Carbon dioxide, Temperature, Humidity
- Automatic mode
The fan speed follows the air quality the sensor reads.
- yes
Smart features and warranty 2 facts
- App control
- Wi-Fi
- Voice assistants
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Google Assistant, Siri
Build 5 facts
- Shape
- Tower
- Height
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
- 83 cm
- Width
- 415 mm
- Depth
- 434 mm
- Weight
What the purifier weighs. It counts most if you move it from room to room.
- 11.9 kg
