20x21_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack sprayers-and-wands Works on all varieties

Works on all varieties

GROW adds more nitrogen for growth

8 passively cooled bars eliminate moving parts and provide full-spectrum

all essential micro- and macronutrients are covered — no additives needed

The AC Infinity aluminum rack mount drawer is designed to be mounted into standard 19-inch racks to provide storage space

20x21_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack sprayers-and-wands Works on all varietiesNordic 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.