17x17x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack beneficial microbes Mildews first appear as spores

Mildews first appear as spores at the plant surface

and equalize the osmotic differential in soil and soilless media by mediating more uniform moisture distribution

Stonington Blend is a rich mixture of horticultural grade sphagnum peat

Also includes a bonus built-in all-purpose knife sharpener

Re-attach the lid

17x17x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack beneficial microbes Mildews first appear as sporesNordic 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.