17.5x23.5x1 3M Filtrete Micro Allergen Reduction filter (red)

3M Micro Allergen 1" Filter PerformanceRated:1000 MPR*Life Expectancy: 1-3 months depending on Envir..

$16.50

17.5x23.5x1 3M Filtrete Ultimate Allergen Reduction filter (Navy)

This 3M 17.5"x23.5"x1" Filtrete High Performance Ultimate Allergen 1" filter, also known as 3M 17.5x..

$19.49