13x24x1 Exact MERV 14 AC Furnace Filters 6 Pack veg-and-bloom WSDA certified for use in

WSDA certified for use in organic production

toughened spear tip for direct root zone

broad-coverage light for full-term growth

With 3 settings of fan speed controller

increased yield and quality

13x24x1 Exact MERV 14 AC Furnace Filters 6 Pack veg-and-bloom WSDA certified for use inNordic 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.