23.5x23.5x1 3M Filtrete Micro Allergen Reduction filter (red)

This 3M 23.5"x23.5"x1" Filtrete High Performance micro allergen 1" filter, also known as 3M 23.5x23...

$16.50

23.5x23.5x1 3M Filtrete Ultimate Allergen Reduction filter (Navy)

This 3M 23.5"x23.5"x1" Filtrete High Performance Ultimate Allergen 1" filter, also known as 3M 23.5x..

$20.49