[Prime] Philips PureProtect Pro 4200i Series Smart Air Purifier $322.05 Delivered @ Amazon AU

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Maker1 on 07/10/2025 - 20:50 amazon.com.au (266 clicks)
Last edited 07/10/2025 - 22:36 by 2 other users

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AC4220/12 - Silver
AC4221/11 - Black

I got an additional $15 off with a coupon on the product page. If you don't have it, you might see the 5% off promotion if paying via the PayTo promotion.

I think this is an ATL… It is the latest model. With this price it is clearly the better choice over the 3200i.

They are almost the same physical unit so the 4200i either has a larger fan / better intake or a faster motor to achieve the higher CADR. It's possible it runs a bit more quietly for the same rate of airflow.

Warranty: 2 Years
Made in: China

Choice has not tested newer models of air purifiers but they have tested the older Philips model 3000i which ranked as 2nd best Air Purifier overall. Filters for the 4200i / 3200i are sold in a 2-pack direct from Philips and are $179 / $136, and both of the filters are required to be installed. They might be cross-compatible because both purifier and filter sets have the same dimensions.

== Filter Design ==

Features a 4-layer filtration system designed for high-efficiency air cleaning:
1. Pre-filter: Captures larger particles like dust, pet hair, and lint. This layer is washable and should be vacuumed regularly to maintain performance.
2. HEPA NanoProtect layer: Traps 99.97% of ultrafine particles as small as 0.003 microns, including pollen, bacteria, and viruses.
*** Not EN1822 H13/H14 HEPA certified.
3. First Activated Carbon layer: Absorbs gases, odors, and volatile organic compounds (VOCs) from the air.
4. Second Activated Carbon layer: Enhances odor and gas removal, extending the filter’s lifespan and improving overall purification.

4200i compared to the 3200i:

• Size of both models is: Diameter: 28.5 cm, Depth: 28.5 cm, Height: 52 cm / 6.5kg vs 6.2kg.
• Dual vs. Single carbon filter.
• Power Consumption: 54W vs. 36W
• Noise Level: 15-51.5dB vs. 15-47.5dB
• Both advertised as dual-fan designs.
• Sensors:
  
  • *Realtime PM2.5 & Gas (VOCs, odors etc); the 3200i removed the gas sensor compared to the older 3000i.

Additional Features:
- Wifi Connectivity & dedicated mobile app (Philips Air+)
- Voice Control (Alexa, Google Home)
- Customisable Lamp / Light mode

The 4200i can apparently read out temperature and humidity via an app but I'm not sure if this is real sensor data or simply forecast data downloaded for your local area. These sensors are nominated in the specifications for the 4200i only.

About the 4200i performance:

(Full testing citations on product page).

• ECARF certified allergy-friendly

• Removes 99.9% of airborne viruses and bacteria.
  

  • Independently tested to eliminate H1N1 influenza virus (9), Staphylococcus bacteria (10), and 99.99% of SARS-CoV-2, the cause of COVID-19 (11).

• CADR 600m3/h ; rated to handle up to 156 square metres. Will filter the air of a 20sqm room within 5 minutes.
  

  • CADR tested according GB/T18801-2022. Suitable purification area calculated to NRCC-54013 standard.

• Activated Carbon Filter: Capture 96% of gas pollutants such as from traffic & heavy industry, and the volatile organic compounds from cooking or which can leach out of paint, building materials, or furniture.
  

  • External lab test to GB/T 18801-2022 with TVOC, Toluene and NO2: 30 m3 room, Turbo mode for 1h.

• 'HEPA' filters are rated to pull 99.99% pet dander as well as other triggers like mould spores and dust mites.
  

  • From the air that passes through the filter, tested with house dust mite, birch pollen and cat allergens according to SOP 350.003 of the Austrian OFI institute.

Price History at CamelCamelCamel.

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• 

  tc2 on 07/10/2025 - 21:01

  this or Winix Zero+ PRO 5-Stage?

  • 

    fredblogs on 07/10/2025 - 21:05

    Winix has Plasmawave nonsense which rules it out. See things to avoid: https://sgeas.unimelb.edu.au/engage/air-cleaner-guide#what-t…

    • 

      bargainshooter on 07/10/2025 - 21:15

      +1

      You can turn it off - and the unimelb study is 1) pretty basic and 2) places a blanket "unproven" across all technologies including UVC, which has been in use for almost 95 years in hospital settings. Plasmawave creates +ve and -ve ions which destroy each other near field (the interaction is supposed to destroy pollen particles), unlike pure -ve ion generators which make ions that stick to dust particles, making them cling to surfaces (removing dust) but also cling to your respiratory tract. Different tech - but again, you can turn it off.

      • 

        Maker1 on 07/10/2025 - 21:43

        I have to agree that there is no reason to fear these technologies however for people with respiratory issues, it is probably best to keep things simple.

        These ionising / plasma technologies are extensively used in Japanese products by all the major companies, and I am sure if there were concerns in any way, these products never make it to market since Japanese companies & consumers are very conservative about potential health issues. Ozone output requires regulated testing there, too.

        However, they may also be no proven benefit and I am not convinced to pay more for these technologies to be included.

        For people with specific, severe health concerns, they are probably best off with a basic air-purifier + the ol' proven UV-C wall/ceiling lamps ($$$$). I sometimes see them in restaurant kitchens, waiting rooms and other businesses nowadays.

  • 

    bargainshooter on 07/10/2025 - 21:17

    winix zero has a lower Cadr - around 20% lower - though not sure about noise levels at similar airflow.

  • 

    Maker1 on 07/10/2025 - 21:30

    +2

    The Winix is overall rated weaker in each test than the older 3000i by Choice, particularly in VOC filtering (many purifiers test poorly for this category, so it is not bad there, just average).

    The official replacement filters also cost more, and there is some debate as to what format of air purifier is best (radial vs. square/straight-through).

    The Winix unit is heavier, and louder at the quietest mode (37.6dB).

    That said, it is a highly rated unit by users and was probably my 3rd/4th choice, but it is a few years older now. Sharp Japan makes a similar flat purifier that can often be bought discounted (or very cheap 2nd hand) but the CADR is not very high on their units and they are not widely available in Australia.

    I think the Blue Air series are a good alternative and similarly available in multiple sizes, but there are complaints about their units smelling bad, and performing better with the fabric pre-filter removed. They are also more expensive, especially for the filters.

    Other highly rated models between $400-500 by Choice are, in this order:
    * Breville LAP608TTM
    * Electrolux EP53-47SWA
    * Kogan KASMAPF5PCA
    * Breville LAP508

    But I recommend to do your own research as different websites have different testing methodology and sometimes very different scores.

    It seems to me that the Phillips products are without any obvious flaws or downsides.

    • 

      Maker1 on 08/10/2025 - 13:33

      Edit above: by Sharp I actually meant Daikin. But Sharp sell units here too with wider availability.

  • 

    rcgy on 07/10/2025 - 21:34

    +1

    Neither. Make a Corsi-Rosenthal Box with filters, cardboard, duct tape, and computer fans, and get better performance for a fraction of the price.

• 

  OfTheOverflow on 07/10/2025 - 21:26

  Most importantly - are there effective filters available on AliExpress etc?

  • 

    Maker1 on 07/10/2025 - 21:56

    I don't see why they should not be effective? It's pretty simple stuff.

    It looks like you can get 1 filter (or maybe it's a pair - it doesn't say) for $33 on Ali or a different generic for $78 a pair on Amazon. Neither look the same as the Philips original, but I'm sure they are just as effective at filtering the particulates. There might be differences with the VOC efficiency as air purifiers routinely test poorly in this category.

• 

  WaterDragon on 07/10/2025 - 22:09

  Replacement filter set is $179 from Amazon. Filter replacement every 12 months ?

  • 

    Maker1 on 07/10/2025 - 22:34

    +1

    Yes right! My mistake. The 12 month replacement date is ideal and they don't explain it. Third-party replacements recommended every 3-6 months.

    I would expect you just change a filter when VOCs are no longer controlled (this doesn't bother everyone) or asthmatic symptoms / allergies return.

• 

  LargestDeportation on 07/10/2025 - 22:51

  +1

  This and 3200 don’t have good air flow design. They take in dirty air and blow out clean air from the middle.

  • 

    367 on 08/10/2025 - 11:20

    What do you mean? They actually take in air at the top and the bottom and blow out clean air from the middle. How is this not good air flow design?

    • 

      j1568 on 08/10/2025 - 12:54

      the 3000i I believe takes the air from the sides and blow it upwards. I believe the 3200i takes the air from the side top and bottom, and blows it out at the side middle between where it takes in the air.

  • 

    WaterDragon on 08/10/2025 - 13:23

    Wind direction preference could depend on room size and layout. Placement of the new models may benefit more in larger rooms.

• 

  367 on 08/10/2025 - 13:55

  The Good Guys has this for $329 using the Price Beat button.

  Can use the TopCashBack 12% cashback and/or 15% discount code if you got one.