10x14x1 MERV 13 Plus Carbon AC Furnace Filters 12 Pack special-order Expanded size: 4" x 4"

Expanded size: 4" x 4" x 4"

Elite 91 CalMag serves as an effective surfactant and does not require any additional wetting agents for proper penetration and/or absorption

Remember—keep your pH probe wet

controls the light period on/off settings

small spaces and other applications where the option to not have the filter in the room is desired due to space restrictions

10x14x1 MERV 13 Plus Carbon AC Furnace Filters 12 Pack special-order Expanded size: 4" x 4"Nordic 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.