13x20x1 Exact MERV 14 AC Furnace Filters 12 Pack Nutrients and Supplements HP - high porosity |

HP - high porosity | BIOFUNGICIDE* + MYCORRHIZAE

The oils are naturally sourced and carefully harvested then cold-pressed for extraction to preserve their purity

Five pocket step in

a new remote-mounted driver with daisy-chain configuration between fixtures provides a fast

and rigidity throughout the growing process

13x20x1 Exact MERV 14 AC Furnace Filters 12 Pack Nutrients and Supplements HP - high porosity |Nordic Pure MERV 14 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.