18x24x2 MERV 8 Pleated Air Filter 6PK - 17.375x23.375x1.75 - Actual Size Aqua-Pure and espresso applications (if water

and espresso applications (if water temperature exceeds 125 degrees F

EC is a measure of concentration

and laboratory testing

or warm mist humidifiers

18x24x2 MERV 8 Pleated Air Filter 6PK - 17.375x23.375x1.75 - Actual Size Aqua-Pure and espresso applications (if water18x24x2 MERV 8 Air Filter Box of 6 Actual Filter Size: 17. 375x23. 375x1. 75 Our goal is to provide the best air filters for every home. While pure air is always our goal, we know that some HVAC units are unable to use higher MERV rating filters. So, we also offer MERV 8 filters. Our 18x24x2 MERV 8 filters are the perfect filters for homes that have older HVAC units. Even though MERV 8 filters are not as efficient as higher MERV rating filters, they