18x24x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack beneficial microbes while the curved serrated edge

while the curved serrated edge makes it more effective than a straight blade for cutting through fibrous weeds and brush

One case includes 10 pre-filled trays

It means that your plants will produce more densely and fully with tighter fruit and pod bundling

Your plant will produce generous and strong roots

18x24x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack beneficial microbes while the curved serrated edgeNordic 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