Amazon has 3M 9801DC-6 Filtrete Micro Allergen Reduction Filter 16 by 25 by 1-Inch, 6-Pack for $72.36 + free shipping.
Product Description
From the Manufacturer
The Filtrete Micro Allergen Reduction filter helps reduce allergens and microscopic particles. Filter attract and capture allergens like pet dander, smoke. and smog particles.
Product Description
16" x 25" x 1", Red, Micro Filtrete Filter, 3 Month Filter Is 90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander, Captures Microscopic Allergens Like Dust, Smoke & Smog, Captures Bacteria & Particles That Can Carry Viruses, Meets The Guidelines Of The American Lung Association Health House Program.
3M 9801DC-6 Filtrete Micro Allergen Reduction Filter 16x24 1", 6Pack $72.36 FS 
