20x25x4 Plus Carbon Pleated Air Filter, High Capacity, MERV 12

Important Note: Almost ALL furnace filters have a different actual size than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our actual size - and then you can be sure your A/C air filter fits! With the 4in and 5in air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4-3/8 depth 20x25x4 filter in your Honeywell unit you should order our 20x25x5 Honeywell Replacement air filter that measures 19-7/8 x 24-7/8 x 4-3/8 19.63x24.88x4.38. Nordic Pure 20x25x4 Plus Carbon Air Filters MERV 12 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 airborn dust and particle matter for fresh, clean air. Odorus gases and vapors VOC are attracted to and held by the activated carbon material while maintaining excellent air flow properties. With each pass through the carbon furnace air filter, the air in your living environment improves. Each time air passes through a Nordic Pure pleated furnace filter, lint, householmore...

• Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants.
• If you are replacing a Honeywell or Lennox 20x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4-3/8, please see our 20x25x5 (4 3/8 actual depth)
• Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame.
• Nordic Pure MERV 12 is equivalent to MPR 1500-1900
• Nominal Size: 20 x 25 x 4, Actual Size: 19-1/2 x 24-1/2 x 3-5/8 (19.5 x 24.5 x 3.63)
• Measure your air filter for the exact size and compare it to our actual size to ensure proper fit.
• Two beneficial air filters in one - MERV rated synthetic poly blend activated carbon infused pleated media
• Nordic Pure recommends changing 4" air filters every 3-6 months