22x22x1 MERV 14 AC Furnace Filters 6 Pack HVAC & HOME VENTILATION The mats protect the roots

The mats protect the roots from exposure to direct light and elements that can damage roots and hinder growth

our engineers designed it

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Perfect for 4’x4’ vegetative coverage at 18”and 3’x3’ flowering coverage at 6”-12”

22x22x1 MERV 14 AC Furnace Filters 6 Pack HVAC & HOME VENTILATION The mats protect the rootsNordic 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.