16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack LED Lighting – Aggressive Dosage Rate: 3

– Aggressive Dosage Rate: 3 ML per gallon

" — Marcus T

Escherichia coli O157:H7

This prevents infection and stunts the growth of established foliar diseases like mildews and rusts

16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack LED Lighting – Aggressive Dosage Rate: 3Important 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 16x20x4 filter