20x24x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack lighting-&-electrical-components Made for greenhouses in moderate

Made for greenhouses in moderate to warm climates

or coastal regions

it should be used within a 10-12 hour period

CO2 Range:                                         0-2000 PPM

The Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

20x24x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack lighting-&-electrical-components Made for greenhouses in moderateNordic Pure 20x24x4 Pleated Air Filters MERV 7 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, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a heavy duty, moisture resistant beverage