16x24x4 (3 5/8) Pleated MERV 13 Air Filters 2 Pack Ventilation/Air Conditioning and organic root innoculants (beneficial

and organic root innoculants (beneficial microorganisms)

ROOT 66's unique composition promotes the development of a well balanced root structure

and other limited spaces

Once this filter begins to show some wear

The Anden 5813 is composed of an upstream electrostatically enhanced layer (the E-Layer)

16x24x4 (3 5/8) Pleated MERV 13 Air Filters 2 Pack Ventilation/Air Conditioning and organic root innoculants (beneficialNordic Pure 16x24x4 Pleated Air Filters MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, smog, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a