Holmes HAPF300AHD Aer1 True HEPA Allergen Remover Air Purifier Filter (1-Pack 10-inch)

My son suffers heavily with allergies, just to try bought Holmes small room air purifier in December last year. We were amazed with result. He felt great in his room and felt sick in living room. Purifier came with basic filter which needed replacement every 4 months or less. We upgraded filter to Allergen remover 12 month filter, it has made air quality better in his room. Based on Holmes small room filter performance we are adding multiple units in house for our son and our health. We will buy allergen remover filters as replacements when these basic filters in purifier need changing in few months.

I've used the Holmes air filters for years now because of multiple allergies. I like the fact that these can be replaced after a year's use and do the job intended.