12x24x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack books-&-videos for an initial boost

for an initial boost

there is no tangling of the fibrous root systems

An inline fan for duct boosting designed to improve airflow in heating and air conditioning applications

This loose fill

12x24x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack books-&-videos for an initial boostNordic Pure 12x24x4 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