14x20x2 Pleated MERV 14 Air Filters 3 Pack Nutrients Part of a well balanced

Part of a well balanced nutrient solution

Don’t trust your harvest to inferior retail units

Water also has a much higher specific heat capacity than air

ETL listed/Energy Star approved

This timer is optional and sold separately

14x20x2 Pleated MERV 14 Air Filters 3 Pack Nutrients Part of a well balancedNordic 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.