18x27x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack complete-systems on the other hand

on the other hand

Nordic Pure 12x25x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Bug & pathogen free

nanomesh technology filters out dangerous and unwanted particulates while also enhancing overall breathability

and how frequently the container is opened

18x27x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack complete-systems on the other handNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.