16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack aaron and off you go

and off you go

The kit is inexpensive and easy to use

Thanks to its dual tumblers and side-by-side design

refreeze the included ice pack and store the nematodes in the shipping container

5“L x 31

16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack aaron and off you goImportant 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