The British Allergy Foundation is endorsing air purifiers manufactured by Alen Corporation, which have been proven to remove high levels of specific allergens from the environment of allergy sufferers.

Available in a variety of styles, Alen air purifiers range from the T100 desktop unit ($149) to the high-performance A375UV Ultra ($499). Alen air purifiers feature Allergy-HEPA filters that remove smoke, pollen, dust, animal dander, dust, mites, and more. The units use replacement filters that are easy to install and very affordable.

If you're in the market for a new air purifier, check out the list of authorized dealers at Alen Corp's website.

For more products bearing the British Allergy Foundation's seal of approval, check out the latest list of approved products.