16 In. x 20 In. x 1 In. Micro Allergen Reduction Filter No 1 In. three-month competitor filters better than the Filtrete Micro Allergen Reduction Filter. It is up to 20 times more efficient than fiberglass filters and it delivers up to 3 months filtering performance. [... more]
$72.53 Buy.com
16 In. x 20 In. x 1 In. Ultra Allergen Reduction Filter No competitive 1-inch filter performs better than the Filtrete ? Ultra Allergen Reduction filter at capturing microscopic and large allergens like mold spores and pet dander. Also captures bacteria and particles that can carry viruses. [... more]
$15.97 The Home Depot
