20x21x1 Exact MERV 10 AC Furnace Filters 6 Pack propagation trays Shelf life is typically 2–3

Shelf life is typically 2–3 years when stored properly

Item Weight: 2

and surge status

I use it on every watering line in my greenhouse now

Replacement filter housing in case of cracking due to mishandling

20x21x1 Exact MERV 10 AC Furnace Filters 6 Pack propagation trays Shelf life is typically 2–3Nordic Pure MERV 10 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, allergens and other contaminants are removed. MERV 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies