Bionaire BAP1700 Air Purifier

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Product information

Tall and robust, this Bionaire BAP1700-UK tower air purifier is suitable for rooms up to 34m². It has a HEPA type filter which removes up to 99% of all airborne pollution.

Switch the built-in air quality sensor to auto mode and it will adjust the speed settings according to the ambient air quality.

The Bionaire BAP1700-UK also has a washable pre-filter, two permanent HEPA type filters (that can be maintained using your vacuum cleaner and crevice tool) and an ioniser that restores the overall ion balance, creating a fresher atmosphere. A Filter Service Indicator eliminates guesswork on when filter cleaning is needed.

This 3-speed Bionaire purifier also has a programmable timer that gives you the flexibility to program your air cleaner to turn on and off at your convenience.

H69.5 x W25 x D28.4cm
Eligible for International Delivery
Permanent HEPA / Carbon; washable pre-filter
Manufacturer's Guarantee
2 years
Maximum room size
Power supply


  • Click & collect

    Click & collect from John Lewis and Waitrose shops tomorrow from 2pm
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  • UK delivery

    Standard delivery within 5 working days
    Named or Saturday UK delivery
    Named day UK delivery pre-10.30am
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  • International delivery not available


We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.

Q & As

Rated 4.3 out of 5 by 29 reviewers.
Rated 5 out of 5 by Really excellent piece of kit I cannot recommend this product enough for people with hayfever. Within half an hour of starting this product up, my partners hayfever symptoms had cleared up. When it is running in the house his hayfever symptoms are pretty much gone. We run it every day and night, so it is seeing lots of use and is performing well. We normally run it on setting 2, and do not use the optional ioniser- just the filters. Some people have said it is noisy, and it does make noise depending on the setting. I would describe setting 1(low) like a computer fan noise, whereas 2 and especially 3 are kind of like the noise level you get from a microwave oven. But its not rattly at all. Annoying things- it has very bright blue LEDs in the top which is bad if you're trying to sleep (we have just put some tape over them) Things it lacks - a carry handle would be very useful for moving it around the house 14 July 2015
Rated 1 out of 5 by Disappointing! I researched this item before purchasing and as it is backed by the British Allergy Foundation I had high hopes. There was no improvement to my allergies and it is very noisy. An expensive ornament! 16 June 2015
Rated 4 out of 5 by Good product It works very well and quiet too. I am happy with it. 05 May 2015
Rated 1 out of 5 by Useless I have had this thing for some time now and from day one I'm not sure what its ever done beside make some noise. The air flow rate is tiny and oddly is expelled at almost 90 degrees to the front opening. It surprises me no one makes mention of this. additionally while it can swivel it cant move on it own. Finally lastly, it has made no discernible difference except to my electricity bill. 25 June 2014
Rated 3 out of 5 by Does it work for dust mite allergy? The product details doesn't tell you about the size of particles that this purifier can trap. Only after opening the box and reading the manual, I realized that it filters particles 'as small as 2 microns'. That means mould spores and pollen. No wonder it didn't work for my son. Remember, the dust allergy is not due to dust particles or the dust mites [which are bigger in size] but actually to a protein in the excrement of dust mites, which in a powdered form is much smaller than 2 microns in size. Delonghi, for the same price, claims to trap particles as small as 0.3 microns. I am going to try that and feedback later! Also, Bionaire has HEPA 'type' filter [does that mean not a true HEPA filter?] unlike the D brand. The product itself is of very good quality. It is quieter than a normal fan, even in full speed. 06 February 2014
Rated 4 out of 5 by Seems to make a difference Bought this after doing some searching, and concluding it was expensive enough to possibly be effective but not too much to risk if it didn’t. Having tried it for a while now in the bedroom it does seem to make the air feel fresher – it’s very subjective of course and hard to be sure. However – what is more objective is the reduced level of dust in the room. It still appears but less so than before. I don’t use the auto function as I can’t see how that is ever going to work. The fan just runs at low speed presumably sensing the air that flows through the machine and then turning up the wick if it senses contaminants. Problem with this is at low speed it will just be cleaning the air around it. Not a scientific assessment but I can’t see the logic being wrong. So I just run it at full chat with the ioniser on too. I tried leaving it on overnight at low speed but it got noisy after a few days – that typical fan bearing rattle type of noise that all domestic fans seem to end up making. The solution for me is to run it flat out all day and turn it off at night. Seems effective and it doesn’t keep me aware with its fan’s rattle. The ability to clean the filters with a vacuum is handy too – be warned though – doing this is fiddly. All in all it’s worth the money and seems to do what you would reasonably expect of it. 19 December 2012
Rated 5 out of 5 by Fantastic Air quality This is a great product. A must have for anyone who wants clean air in the house. I've also noticed less dust around. I highly recommend this product. 17 December 2012
Rated 5 out of 5 by excellent product we purchased this air purifier after our daughter, who has a severe dust mite allergy went to University. within two days of arriving in her halls of residence she was very poorly. After installing the purifier she revovered to full health within 2 weeks. We chose to buy this product which has a removable/cleanable filter. It is amazing how much dirt accumulates on a weekly basis. 23 October 2012
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  • 2 year guarantee included

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