16x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack Lighting & Electrical Components Each time air passes through

Each time air passes through a Nordic Pure pleated furnace air filter

Use in conjunction with Flowers and Micro for the best results

capacity and sold in cases of 432

Control: Built-in digital control with display

Cool operating temperature

16x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack Lighting & Electrical Components Each time air passes throughImportant 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