FREE shipping in the continental U.S. on orders over $100!

4 Inch

Filter
16x25x4 (3 5/8) Pleated MERV 12 Air Filters
Quickshop Compare

Nordic Pure

16x25x4 (3 5/8) Pleated MERV 12 Air Filters
On sale from $33.31
View Variants
20x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
Quickshop Compare

Nordic Pure

20x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
On sale from $37.23
View Variants
28x30x4 (3 5/8) Pleated MERV 12 Air Filters
Quickshop Compare

Nordic Pure

28x30x4 (3 5/8) Pleated MERV 12 Air Filters
$113.88 $125.88
Add to Cart
24x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
Quickshop Compare

Nordic Pure

24x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
$44.09 $56.09
Add to Cart
24x24x4 (3 5/8) Pleated MERV 12 Air Filters
Quickshop Compare

Nordic Pure

24x24x4 (3 5/8) Pleated MERV 12 Air Filters
$40.17 $52.17
Add to Cart
20x25x4 (3 5/8) Pleated MERV 12 Air Filters
Quickshop Compare

Nordic Pure

20x25x4 (3 5/8) Pleated MERV 12 Air Filters
On sale from $34.29
View Variants
20x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
Quickshop Compare

Nordic Pure

20x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
On sale from $37.23
View Variants
20x24x4 (3 5/8) Pleated MERV 12 Air Filters
Quickshop Compare

Nordic Pure

20x24x4 (3 5/8) Pleated MERV 12 Air Filters
On sale from $33.31
View Variants
20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
Quickshop Compare

Nordic Pure

20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
On sale from $36.25
View Variants
20x20x4 (3 5/8) Pleated MERV 12 Air Filters
Quickshop Compare

Nordic Pure

20x20x4 (3 5/8) Pleated MERV 12 Air Filters
On sale from $32.82
View Variants
18x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
Quickshop Compare

Nordic Pure

18x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
On sale from $37.23
View Variants
18x24x4 (3 5/8) Pleated MERV 12 Air Filters
Quickshop Compare

Nordic Pure

18x24x4 (3 5/8) Pleated MERV 12 Air Filters
On sale from $33.31
View Variants
16x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
Quickshop Compare

Nordic Pure

16x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
On sale from $36.25
View Variants
16x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
Quickshop Compare

Nordic Pure

16x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon
On sale from $37.23
View Variants
16x24x4 (3 5/8) Pleated MERV 12 Air Filters
Quickshop Compare

Nordic Pure

16x24x4 (3 5/8) Pleated MERV 12 Air Filters
On sale from $33.31
View Variants
This website uses cookies to ensure you get the best experience on our website. Learn More