BLH Air Purifier Air Cleaner Negative ions HEPA Activated Carbon high-efficiency Filter Perfect for Allergy Sufferers, Smoking and Dust Mite Allergy, Home,Office or Room Desktop

This air purifier is perfect for use on one's desktop, as it is takes up very little space (the cylindrical base is about the width of one's hand in diameter), and it is quiet so doesn't interrupt one's work. It has two speed settings (the faster one blowing out slightly more air than the slower speed), and can be set to rotate whilst blowing or blow in one direction only. It also has, in my opinion, a nice smart appearance.Overall, I am very pleased with it as an addition to my desktop. It quietly blows out purified air whilst I am working, and this is nice to help keep the room and workspace fresh.In terms of its effectiveness at purifying air, we noticed an improvement in air quality (e.g. when we placed it in a small room to test it (which had a bit of damp/mould-related odour)) and I think it is quiet enough not to disturb one's sleep if used at night time.It's not a heavy duty purifier for large/very large rooms (especially with significant problems in air quality), but it seems a very good choice for what it's designed to be: a desktop air purifier.

I have used this in a bedroom, 3.5m by 4.5m with no real noticeable effect. The fan motor is intrusive for a bedroom with the wind speed itself not effective as a fan. Then took into a smaller storage room but again no real difference. It needs either a stronger fan to accept that the purification may or may not work or a more effective / powerful filter to assure you of its air quality effect.Overall, not being used anymore.

Love it going to buy another. Does the job perfect we smoke in our house and it clears the air so quick never smell the smoke and it’s silent couldn’t ask for anything better to do the job

This is design over substance.

Not very powerful. Too small

I bought this one and the https://www.amazon.co.uk/gp/customer-reviews/review-your-purchases/ref=pe_221351_346578531_pe_cm_add_1_star5/?asins=B01G7L4DH6&channel=ec_sft_email_346578531-thankyou&ref=ryp_hz_thnk_l_4 and for the price the silent night is alot better. This wont do even the smallest rooms.

Seemed great at first, very quiet. Hadn’t had it long then it stopped working. So I have wasted money on the air purifier and spare filter. Look elsewhere.