17 1/2x17 1/2x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 HVAC systems should be rated

HVAC systems should be rated to handle filters of MERV 15 and above

MERV 14 Air Bear Cub Replacement Plus Carbon furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2800

Replaces Honeywell 16x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for normal air filtration

Nordic Pure 16x25x4 Plus Carbon Air Filters MERV 10 are made of a dual material where the MERV rated material has been fused together with a carbon layer

Nordic Pure 18x30x1 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

17 1/2x17 1/2x1 Exact MERV 12 AC Furnace Filters Number Per Box:6 HVAC systems should be ratedActual Size: 17 1 2 x 17 1 2 x 3 4 (17. 5 x 17. 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