23x25x1 Exact MERV 13 AC Furnace Filters 6 Pack jg Pockets of nutrients and water

Pockets of nutrients and water in the soil which were once unreachable by standard root systems are now made accessible through the "super-mining" effects which mycorrhizae gift to your plants

21 different organic L-amino acids

Rely on Hydrofarm for premium quality North American made ballast components

so multiple HVAC systems can be controlled by a single Hydro-X system

23x25x1 Exact MERV 13 AC Furnace Filters 6 Pack jg Pockets of nutrients and waterNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200