14x36x1 MERV 13 AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions a naturally occurring form of

a naturally occurring form of carbon drawn from prehistoric peat bogs

5/8'' THICK Heavy Duty Super Steel Stakes are ready for heavy lifting

-Prevents mold from forming

Gentle yet powerful

14x36x1 MERV 13 AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions a naturally occurring form ofNordic 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