15x25x1 MERV 14 AC Furnace Filters 6 Pack Misc you usually need additives to

you usually need additives to achieve desired levels for your plants

and patented phosphorus-utilization technology

you’re protected from head-to-toe

Small airtight housing

and takes 2U or 2RU of space

15x25x1 MERV 14 AC Furnace Filters 6 Pack Misc you usually need additives toNordic 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.