Hi @Liz4silver, I have moved you post to an existing thread about how to buy air purifiers.
They are currently out of stock in Australia. Philips indicate that this particular model can be bought from Bing Lee and Harvey Norman…
But both these retailers are also out of stock. It might be worth contacting Philips to see if they are getting more stock in or if this is now a discontinued model. Their Australian contact number for air purifiers is:
Interests in air purifiers/filters had multiple parallel topics.
Because we have no way to merge topics while maintaining chronological order, I am closing this topic noting much of the discussion here is already embodied in this linked topic.
