21_1/2x23_3/8x1 Exact MERV 12 AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions The number of units required

The number of units required depends on your total system airflow (CFM) and the severity of the odor or pollution problem

CROP & USE RECOMMENDATION

Force of Nature Fungicide has shown the ability in replicated field and greenhouse trials to control Powdery Mildew for 7-10 days with a 1% spray solution

Does not translocate - it will stay where you spray it

21_1/2x23_3/8x1 Exact MERV 12 AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions The number of units requiredNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different