12x24x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack co2 Defender PM:

Defender PM:

Brevibacillus laterosporus

even distribution

The 0-32% Portable Brix Refractometer with ATC comes in its own carrying case

longer bulb life

12x24x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack co2 Defender PM:Nordic Pure 12x24x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, smog, allergens, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured