20x24x1 3M Filtrete Micro Allergen Reduction filter (red)

This 3M 20"x24"x1" Filtrete High Performance micro allergen 1" filter, also known as 3M 20x24x1 - 3M..

$16.50

20x24x1 3M Filtrete Ultimate Allergen Reduction filter (Navy)

This 3M 20"x24"x1" Filtrete High Performance Ultimate Allergen 1" filter, also known as 3M 20x24x1 -..

$19.49

Purolator 20x24x1 Pleated MERV 8 Air Filter

If you are looking for the perfect 20x24x1 MERV 8 air filter, look no further...

$8.00

Purolator 20x24x1 Pleated MERV 11 Air Filter

If you are looking for the perfect 20x24x1 MERV 11 air filter, look no further...

$11.75

Purolator 20x24x1 Pleated MERV 13 Air Filter

If you are looking for the perfect 20x24x1 MERV 13 air filter, look no further...

$15.40