18x27x1 MERV 12 AC Furnace Filters Furnace Filter The Actual Size listed above

The Actual Size listed above is the exact size of the metal frame

MERV 13 Air Bear Cub Replacement Plus Carbon furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2200-2400

Nordic Pure 14x30x1 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

VOCs and airborne particles such as pollen

Nordic Pure 18x18x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

18x27x1 MERV 12 AC Furnace Filters Furnace Filter The Actual Size listed aboveActual Size: 17 1 2 x 26 1 2 x 3 4 (17. 5 x 26. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure