20x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 1 Pack spl_cg Cryptolaemus are often called mealybug

Cryptolaemus are often called mealybug destroyers because of their voracious appetite for mealybugs

copper sulfate

128 x FloraCap® 2

fertilizers and chemicals means long-life reliability

20x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 1 Pack spl_cg Cryptolaemus are often called mealybugImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x20x4 filter