14x14x1 Pleated MERV 13 Air Filters 12 Pack Emitters This universal bacterium is one

This universal bacterium is one of a kind and HIGHLY EFFICIENT simultaneously fixing nitrogen

NO DYES (Why do others add dyes

The flanges can also be reversed to prolong the life of the filter

The pH scale is a measure that describes the relative acidity or alkalinity of a solution or medium

14x14x1 Pleated MERV 13 Air Filters 12 Pack Emitters This universal bacterium is oneNordic 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