21 1/2x24x1 Exact MERV 14 AC Furnace Filters 6 Pack soil Available in pre-cut sizes ranging

Available in pre-cut sizes ranging from 25’ width x 50’ length to 50’ width x 150’ length

Convenient clamshell packaging

Much like its predecessor

Clay surfaces absorb large amounts of plant nutrients without any appreciable change in the osmotic concentration of the growing medium or fluctuation of pH

All nutrient regimens and systems

21 1/2x24x1 Exact MERV 14 AC Furnace Filters 6 Pack soil Available in pre-cut sizes rangingNordic 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.