24x24x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack vacuum pump Nordic Pure 20x25x5 Lennox X6673_X6675

Nordic Pure 20x25x5 Lennox X6673_X6675 Replacement MERV 12 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

and can be used indoors and outdoors from start until harvest

Outer Dimensions: 3/8''

• Nitrogen assist to prevent vapor lock

24x24x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack vacuum pump Nordic Pure 20x25x5 Lennox X6673_X6675Nordic Pure 24x24x1 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. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material