14x18x1 MERV 8 Pleated Air Filter 6PK - 13.5x17.5x.75 - Actual Size Specialty Filters 18x20x2 MERV 11 filters are

18x20x2 MERV 11 filters are right on the cusp of being classified as “medium efficiency MERV pleated air filters” and “high-efficiency MERV pleated air filters

Model#: 5231JA2006A

Certified for All Brands Including Whirlpool

Additional Applications: Circulation

14x18x1 MERV 8 Pleated Air Filter 6PK - 13.5x17.5x.75 - Actual Size Specialty Filters 18x20x2 MERV 11 filters are14x18x1 MERV 8 Air Filter Box of 6 Actual Size of Filter: 13. 5x17. 5x. 75 Air filters are ranked in a minimum efficiency rating value (MERV) system. The higher the MERV rating, the better the filter can filter out all airborne particulates. Since we are constantly trying to improve indoor air quality, it only makes sense that we would offer air conditioner filter MERV 8. 14x18x1 MERV 8 filters are right on the cusp of being classified as medium