20x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack spl_cp 1-year warranty on probe• Compatible

1-year warranty on probe• Compatible with all Apera GroStar probes

These trays are available in 4' and 8' center lengths

💧 Boost water uptake — stimulates mycorrhizal growth for better root absorption

Poles(D/T) 22mm/0

please refer to the "Environmental Hazards" section under the Use Instructions tab for more information

20x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack spl_cp 1-year warranty on probe• CompatibleNordic 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.