Philips PureProtect Pro 4200
No store we follow ships this model to the United States. This page says what it can do, and which similar robots you can buy here.
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Before you buy, compare it with 2 recommended alternatives
No store here sells this model today, so beside it the highest-scored model for the same room size that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model Philips PureProtect Pro 4200 | Highest score here Blueair Blue Pure 311i+ Max Best on 1 fact | Cheapest of the top 10 Blueair Blue Pure 311i Max Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | $224Blueair (brand store) best | $229Blueair (brand store) |
| Score | not in our ranking | ||
| Rank | – | rank 2 of 9 for open-plan spaces | rank 1 of 9 for open-plan spaces |
| Customer rating | – | – | – |
| Room size | |||
| Room size same on all | open-plan spaces | open-plan spaces | open-plan spaces |
| Size, noise and age | |||
| Height lower is better | 20.5 in (52 cm) | 21 in (53.3 cm) | 19 in (48.3 cm) best |
| On the market since | – | April 2025 | December 2024 |
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.
Philips PureProtect Pro 4200 specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
Consumables: The filter lasts about 12 months.
Cleaning performance 4 facts
- Clean air delivery rate (CADR)
How much clean air the purifier delivers an hour, measured with smoke, dust and pollen. A higher figure cleans a bigger room or the same room faster.
- 353 cfm (600 m³/h)
- CADR measured to
The test the CADR comes from. AHAM AC-1 and the DOE test are independent and comparable. A maker's own test is not.
- GB/T 18801 (Chinese standard)
- Room size we compare on
The room size where the purifier changes the air 4.8 times an hour under a 2.5 m ceiling, worked out from its CADR. We use it so every model is compared on the same rule.
- 538 ft² (50 m²)
- Room size the maker claims
The room size the maker states. Makers use different rules, so we show it but never rank on it.
- 1,679 ft² (156 m²)
Filter 2 facts
- Activated carbon filter
A filter of activated carbon that takes out smells and some gases. It does not catch particles.
- yes
- Replacement filter part number
- FY4200
Running costs 1 fact
- Filter life
How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less.
- 12 months
Noise and power 3 facts
- Noise at the lowest speed
The sound level at the lowest speed, as the maker measures it.
- 15 dB
- Noise at the highest speed
The sound level at the highest speed, as the maker measures it.
- 52 dB
- Power at the highest speed
The power the purifier draws at its highest speed.
- 54 W
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, 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
Build 4 facts
- Height
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
- 20.5 in (52 cm)
- Width
- 285 mm
- Depth
- 285 mm
- Weight
What the purifier weighs. It counts most if you move it from room to room.
- 14.3 lb (6.5 kg)
Warranty and certification 2 facts
- Warranty
The warranty the maker gives in the United States.
- 2 years
- Maker model numbers
- AC4220/12
Sources: home-appliances.philips
Frequently asked questions about the Philips PureProtect Pro 4200
What size of room is the Philips PureProtect Pro 4200 for?
The Philips PureProtect Pro 4200 is sized for a room of about 538 ft², the room size we compare it on. Its clean air delivery rate (CADR) is 353 cfm, measured to GB/T 18801 (Chinese standard).
How often does the Philips PureProtect Pro 4200 need a new filter?
The maker gives the filter a life of 12 months.
How loud is the Philips PureProtect Pro 4200?
The maker states 15 dB at the lowest speed and 51.5 dB at the highest.
