18x20x2 Pleated MERV 12 Air Filters 3 Pack PH/EC/TDS Meters and Solutions Sierra Natural Science processes raw

Sierra Natural Science processes raw certified organic botanicals and herbs in-house

2mil thick mylar with white PE film backing for added strength

eliminates the transportation

Keep container tightly closed in a well-ventilated area

18x20x2 Pleated MERV 12 Air Filters 3 Pack PH/EC/TDS Meters and Solutions Sierra Natural Science processes rawNordic 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