20x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 2 Pack Misc SNS 217C Concentrate Spider Mite

SNS 217C Concentrate Spider Mite Control is a five to one (5:1) concentrate

Cost effective and easy to operate

respectively

The moisture level / water content is displayed in real-time on the WCS module itself

20x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 2 Pack Misc SNS 217C Concentrate Spider MiteImportant 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