Performance Rating: MERV rating of 13 signifies greater filtration performance capable of removing dust, pollen, mold spores among others from the air; also has odor removal capability. Media Material: Made from synthetic fiber enhancing efficiency for trapping specific types of airborne particles or contaminants. The KOCH FILTER - 102-714-017 is a Pleated Air Filter, an essential component in heating and cooling systems. Air Filter Capacity: With high capacity for holding contaminants before needing replacement making it suitable for environments with more airborne particles.