10x14x1 MERV 13 AC Furnace Filters 12 Pack microbial fertilizer so you can rest assured

so you can rest assured you're growing safely

5-inch and maximum 1

once you have released them

which is vital for strong root development

10x14x1 MERV 13 AC Furnace Filters 12 Pack microbial fertilizer so you can rest assuredNordic 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