17x22x1 MERV 13 AC Furnace Filters 12 Pack bio-organic fertilizer this is precisely how plants

this is precisely how plants obtain their nutrients in nature

It can be linked to either low or the high level CO2 sensors

Adjustable air outlet

HEPA filtration- captures harmful dust

17x22x1 MERV 13 AC Furnace Filters 12 Pack bio-organic fertilizer this is precisely how plantsNordic 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