20x30x1 MERV 11 Pleated Air Filter 6PK - 19.75x29.75x.75 - Actual Size PAE This cartridge is ideal for

This cartridge is ideal for use on water containing up to 30 grains hardness per gallon at flow rates as high as 0

MERV 8 filters have over a 75% efficiency of removing airborne particulates that are between 0

18x25x2 MERV 13 filters are pleated

Healthier Lifestyle: Enjoy the peace of mind that comes with knowing your water is free from harmful contaminants

24x24x1 MERV 8 filters are a considerably better choice for healthier air

20x30x1 MERV 11 Pleated Air Filter 6PK - 19.75x29.75x.75 - Actual Size PAE This cartridge is ideal for20x30x1 MERV 11 Air Filter Box of 6 Actual Size of Filter: 19. 75x29. 75x. 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 11. 20x30x1 MERV 11 filters are right on the cusp of being classified as medium