16x20x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack king shredder this electrode is perfect for

this electrode is perfect for any general use application

Sweet Gum/Liquidambar

and provides a good source of aeration and porosity

These durable shoe covers resist abrasions and use breathable fabric to keep your feet cool over long hours

170°C magnets

16x20x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack king shredder this electrode is perfect forImportant 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