Alen HEPA air filters should be replaced with every 6 months of use to achieve maximum air filtration. With regular Alen air filter replacements, you extend the life of your air purifier, meet Alen's Lifetime Warranty Policy and ensure optimal air particle removal.

New Silver HEPA filter can help you avoid the flu by reducing airborne viruses by up to 50% all the while eliminating 99% of allergens AND 98% of bacteria!

Keep your family safe and healthy, not to mention keep your warranty valid - with regular air filter replacement.

New Silver HEPA filter can help you avoid the flu by reducing airborne viruses by up to 50% all the while eliminating 99% of allergens AND 98% of bacteria!

Now that you have the coolest and "greenest" air purifier available - take care of it! Replace the filters every six months.

New Silver HEPA filter can help you avoid the flu by reducing airborne viruses by up to 50% all the while eliminating 99% of allergens AND 98% of bacteria!

New! Silver HEPA filter can help you avoid the flu by reducing airborne viruses by up to 50% all the while eliminating 99% of allergens AND 98% of bacteria!