23 1/2x25x1 Exact MERV 14 AC Furnace Filters 6 Pack tents-&-tarps Hortilux-Blue lamps are used professionally

Hortilux-Blue lamps are used professionally in plant physiological research and biotechnology/pharmacology industries

• LED emergency indicator light

and vigorous growth

Use with Athena Pro Core for a complete and balanced recipe

DO NOT Freeze

23 1/2x25x1 Exact MERV 14 AC Furnace Filters 6 Pack tents-&-tarps Hortilux-Blue lamps are used professionallyNordic 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.