18x24x2 Pleated MERV 14 Air Filters 12 Pack ventilation and ducting Use with Athena Pro Core

Use with Athena Pro Core for a complete and balanced recipe

Apply Stack from the final week of vegetative growth to week 4-5 of flowering

the PRO version uses a water-cooled heat exchanger to cool nearly 90% of the heat produced by burning propane

dark biological which will break down dead root mass

ACTIVE AQUA RESERVOIRS

18x24x2 Pleated MERV 14 Air Filters 12 Pack ventilation and ducting Use with Athena Pro CoreNordic 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.