22x22x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements Unaffected by freezing or adverse

Unaffected by freezing or adverse weather — remains viable through seasonal temperature extremes

Can be used as often as every watering

such as in wastewater

Spinosad is a potent control agent

22x22x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements Unaffected by freezing or adverseNordic 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.