11 1/4x11 1/4x1 Exact MERV 14 AC Furnace Filters 12 Pack Steel stake Working Environments: Temperature 32-122°F

Working Environments:                Temperature 32-122°F

and aquaponics

The Frenzy is the final food source for the organisms

binding and removing undesirable salts and heavy minerals

It can be used in conjunction with a variety of fertilizers and highly recommended for the brewing of plant teas

11 1/4x11 1/4x1 Exact MERV 14 AC Furnace Filters 12 Pack Steel stake Working Environments: Temperature 32-122°FNordic 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.