28x30x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack coco-cubes Contains 2% stable iron ions

Contains 2% stable iron ions that helps prevent yellowing (chlorosis) of leaves

Mycotrol WPO is a mycoinsecticide

Optimize Coverage - 5ft × 5ft

Timer override switch provided

Note: Available December through March

28x30x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack coco-cubes Contains 2% stable iron ionsNordic Pure 28x30x4 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