18 1/4x22x1 Exact MERV 8 AC Furnace Filters Number Per Box:6 layer is a MERV rated

layer is a MERV rated smooth poly-blend filter material

Nordic Pure 14x25x1 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

This high-performance HVAC replacement filter will outperform non-electrostatic fiber-glass filters

HVAC systems should be rated to handle filters of MERV 14 and above

18 1/4x22x1 Exact MERV 8 AC Furnace Filters Number Per Box:6 layer is a MERV ratedActual Size: 18 1 4 x 22 x 3 4 (18. 25 x 22 x 0. 75) Removes lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR 800 Made in the USA. Nordic Pure MERV 8 Pleated AC