13x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Grow Light Bulbs These Mini-Blocks are individually wrapped

These Mini-Blocks are individually wrapped in white plastic to minimize algae growth

Do not use where people will remain for more than a few minutes unless adequate shielding or other safety precautions are used

OMRI listed for use in organic farming

Sequenced lighting delays for each light bank

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13x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Grow Light Bulbs These Mini-Blocks are individually wrappedNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.