13x21_3/4x1 Exact MERV 14 AC Furnace Filters 6 Pack stocked Choose from the Kill-a-Watt's four

Choose from the Kill-a-Watt's four settings to monitor your electrical usage by day

So it stands to reason that we can obviously pack more carbon into our fi lters than some others can claim

"We installed two units in our flowering room and the odor reduction was noticeable within hours

• High cation exchange capacity

DOSAGE RATES FOR SOIL/COCO/HYDROPONICS:

13x21_3/4x1 Exact MERV 14 AC Furnace Filters 6 Pack stocked Choose from the Kill-a-Watt's fourNordic 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.