21x21x1 MERV 13 AC Furnace Filters 6 Pack Pots and Containers Microprocessor Control

Microprocessor Control

GROW B 1-2-4) provide the foundation for strong

• Increases crop vigor

Vertical mount

amino acids and the single celled algae Chlorella

21x21x1 MERV 13 AC Furnace Filters 6 Pack Pots and Containers Microprocessor ControlNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200