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Xiaomi Mi Air Purifier 4 $169.23 ($165 eBay Plus) Delivered @ iot.hub eBay

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Original Coupon Deal

Been waiting for a decent discount on this air purifier. Also stacked with the shopback 10%.

My account had 5% coupon auto-applied which stacked with 20% code YMMV.

first post go easy :)

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  • I wonder if it still makes sense when your windows are open 24/7.

    • +1

      Any city CBD or bushfire season… yep.

      • No, just suburbs… So the air outside is pretty clean. Lots of dust in the house though, I think it may come from carpets.

        • +2

          Apparently you don't have hay fever which is usually caused by air outside but not inside.

        • +1

          How do you know the air outside is clean if you never test it? Do you have any cars using diesel driving around your property? Or smoke particulates blown from fires 50km away?

          • @bargainshooter: There are professional air testing facilities around our city, almost in every suburb, data from which is publicly available. Do you live out bush?

            • +1

              @Musiclover: The professional air testing facilities are often in areas that are substantially removed from where people live - either much higher than most dwellings in the area or in locations that make them irrelevant. Most Australian gov testing facilities are inadequate - just look at the purple air map near you and compare it to official stats. Do this over a period of say a month and you may notice large spikes are often not reported. Eg massive particulate counts were being recorded in Brisbane last week but gov reporting hardly picked up anything. I found this to be the case when I lived in Sydney's eastern suburbs and now further south. And particulates don't fill up the entire atmosphere - they drift like clouds - so you can test very high particulate counts near you and 0 particulates a few blocks away.

              • +1

                @bargainshooter: I checked the air testing during the smoke period in Brisbane, it did show poor and fair in some areas. So it was adequate. There may have been some delays but it did show it in the end.

    • Yeah I'm not 100% sold on them but the wife wants it and has allgerys and a newborn so it will be a good test.

      Not a fan of having to purchasing replacement filters but keeping the wife happy 😁

      • +1

        Which feature are you not sold on? The removing carcinogenic particulates that can lodge in your lung tissue or enter your blood stream?

        • That's a bit passive agressive, what about toxic words emitted by your keyboard. Aren't they dangerous for our brains as well?
          As for my particular situation - I used to work in roofs for a couple of years, now I am on the road all the time - commuting and at work. Compared to that air in my house should be pretty clean, but I am still considering air purifier.

          • @Musiclover: Fair enough. I just hear so many people say that air quality in Australia is really good - when in reality most don't really test. And really good compared to where? Beijing - sure probably. If you look at the recent Guardian report into Australian air quality, it's not so rosy. We don't have a history of testing air quality and notifying citizens(vs say the US) and our baseline threshold is now about 5x higher pollutants than the WHO recommendation of 5μg/m³.

      • -1

        I wish it would just filter the air through water for example. To replace HEPA filters all the time seems very wasteful and not very sustainable.

        • Any idea how often you have to replace the HEPA filters? Also thinking of jumping on this deal, looks like it's the cheapest it's been.

          • -1

            @zeno: As far as I understand non washable filters can be vaccumed and you can wash the washable ones. It could prolong their life… But the design of the filters is such that really small particles cling on to them. There is always air purifier of the poor people - vaccuming and mopping floors and surfaces. I would not discard that.

            • +1

              @Musiclover: How does vacuuming and mopping remove pm2.5 particulates from the air exactly? 🤪

          • +1

            @zeno: I have 5 of this at home. Filter needs replacing every 6 months- it will notify you and I used to follow that frequency however now i just vacuum them every 2 or 3 months.

        • How exactly would you do this with a consumer grade sub $200 device?

        • There's a thing called an Air Washer. I have one. I assume it cleans the air, since the left over water is very dirty. Don't know how much toxic stuff it removes from the air, or how it compares to a HEPA+charcoal filter combo. There are other brands that work on same air washing concept.

          • @ss3imkta: Thanks! Do you have a link?

            • @Musiclover: It was a Venta LW45. I bought it many years ago from Amazon US, and at the time it was about $400 AUD landed. https://www.amazon.com/Venta-LW45-Airwasher-Humidifier-Purif…
              A second brand, which I tried because the Venta was unavailable or too expensive, is Stadlerform. I believe the term "air washer" or "airwasher" is now common to describe these cleaners. I had to youtube it to refresh my memory of the difference between air cleaner and air washer. https://www.youtube.com/watch?v=3aSviYWezpA

              Personal comment on performance:
              Both Venta and Stadlerform do well. Venta is much quieter due to the simple box design that doesn't bend the air path. Venta is squirrel cage fan design; compact, powerful, but loud. Air cleaning result is equivalent I think. Venta is larger tank so requires filling less often (3-5 days) than the Venta (daily). Both need to be cleaned. This can get annoying. Both work really well, but I got lazy with cleaning them bi-weekly. Both keep the air at good humidity (43-47% according to my $1 hygrometer), which is supposedly good for allergy sufferers.

              Hope that helps.

  • Thanks OP, bought one. Almost pulled the trigger last week.. would have spent $200+

  • Are these beneficial for rooms/houses with wood fire heaters? Our lounge is often smoky smelling from our wood heater during winter, and I open the doors and windows every week or so to air it out.

  • Is this better than the $99 air purifier from Ikea?

    • Yes

  • I wonder what the warranty is like compared to Xiaomi store. Or if Xiaomi will honour the warranty when buying from this shop?

  • Awesome thanks. Bought 2 for the house

  • +1

    The Pro version came to $249 for me from the same seller.
    https://www.ebay.com.au/itm/294495054505?epid=12051811581

  • +1

    Probably going to buy the Xiaomi Mi Air Purifier 3 instead of the 4 due to concerns about getting replacement filters. Same store is selling it for $155 !

    • Whats the concern?

      • Limited availability.

        • Forever or is that a right now thing?
          Can't just wash int he shower like other models?

          • @pixpotato: Might get better in the future? Dont put water on a HEPA filter, just vacuum

  • +3

    My cashback tracked so managed to get it for $145.

    Very happy with that

  • Where's the cheapest place to buy filters for these?

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