6 Pack of 20x20x4 MERV 13 Pleated 4" cm Air Filters by Glasfloss. Actual Size: 19-1/2 x 19-1/2 x 3-3/4
$38.69
Sale price
$38.69
Regular price
$136.98
Skip to product information
6 Pack of 20x20x4 MERV 13 Pleated 4" cm Air Filters by Glasfloss. Actual Size: 19-1/2 x 19-1/2 x 3-3/4
$38.69
Sale price
$38.69
Regular price
$136.98
6 Pack of 20x20x4 MERV 13 Pleated 4" foot Air Filters by Glasfloss. Actual Size: 19-1/2 x 19-1/2 x 3-3/4 Filtration Rating: MERV 13. Comparable to 3M/Filtrete MPR rating 1900 to 2200; or FPR rating 10. Protects from pollen; dirt; dust; pet dander and virus carriers; smoke; smog; lead dust; oil smoke and micro allergens. Note: Does not replace 5" inch or 4-3/8" Depth filters. Please check actual filter size needed.