18x25x2 Pleated MERV 13 Air Filters 12 Pack extraction The ability to read up

The ability to read up to 30

and naturally keeps roots cool

Safe to use on clones until harvest

beds and most other growing techniques

18x25x2 Pleated MERV 13 Air Filters 12 Pack extraction The ability to read upNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200