21 1/2x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack cococube This product is highly toxic

This product is highly toxic to honeybees and they are not active at these times

it’s also excellent for harvesting field crops like squash

Trichogramma brassicae is especially useful for controlling moth populations on cole crops

it will not harm them

High-precision microprocessor control

21 1/2x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack cococube This product is highly toxicNordic 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.