18x24x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack Pest and Disease Control These low molecular weight acids

These low molecular weight acids may facilitate calcium and Magnesium transport into the plant

We recommend the 2 mil for the better workability and strength

to a maximum of 8 per single power cord

consistency and quality

18x24x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack Pest and Disease Control These low molecular weight acidsNordic Pure 18x24x4 Pleated Air Filters MERV 8 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, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a heavy duty, moisture resistant beverage