Bionaire BAP1700 Air Purifier

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


Click & collect

Free from John Lewis or Waitrose shops for collection tomorrow from 2pm
365 participating John Lewis and Waitrose shops

Standard delivery in 5 working days


Named or Saturday UK delivery


Named day UK delivery pre-10.30am


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.


Find out more about returning products

Q & As

Rated 4.4 out of 5 by 27 reviewers.
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
Rated 2 out of 5 by Not for me Purchased the air purifier on the strength of the positive reviews. I personally found the the unit to be quite noisy even on the low setting, and being placed on the bedroom carpet floor the unit would start to rumble as the fan rotates. I found it impossible to ignore the sound and get a good night's sleep. Also because the unit is blowing cold air all night I found myself waking up in the morning shivering. Therefore the unit is not ideal for cold autumn and winter nights unless you sleep with a wooly hat and duffle coat on. Lastly the unit even though plugged in but switched off would emit a loud buzzing noise that would start and stop every 15 minutes or so. Lost patience with and got a refund. 26 September 2012
Rated 5 out of 5 by Really useful product! I bought this after suffering from asthma from a dusty low ventilated bedroom. Since I have been using it I have noticed a drastic improvement in my breathing at night and even in the collection of dust on bedroom furniture. It is not the quietest machine but I have gotten used to it. The blue light is annoying but I put some white tack over the top of it which is a good solution as it doesn't damage the product and blocks the light more than tape would have. Am glad I bought it--only regret is I wish I would have bought it sooner. 25 September 2012
Rated 5 out of 5 by Very good Product I Chose this Air Purifier because the Grandchild was coming to stay & I sometimes look after my Sisters Cat & Dog. I really liked the fact that it had a HEPA filter & the filters could be cleaned , which saves having to replace them. There are lots of useful features & on the slow speed the noise level is low. I am very happy with this Bionaire Air Purifier and there is no more moaning about dust & pet hair causing eczema etc. 03 September 2012
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