21x23x1 Exact MERV 14 AC Furnace Filters 6 Pack pest-and-disease-control Some varieties require cutting off

Some varieties require cutting off excess steams and/or leaves

Tray Volume

It works as a repellent

No stress from transplant

1000W HPS only

21x23x1 Exact MERV 14 AC Furnace Filters 6 Pack pest-and-disease-control Some varieties require cutting offNordic 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.