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

16x20x2 MERV 8 Air Filter - Box of 6

part number 241798231

we know that some HVAC units are unable to use higher MERV rating filters

We are very proud that we offer these great 18x18x1 MERV 11 filters now for homes

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