16x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack tents-&-tarps Plant Doctor prevents and controls

Plant Doctor prevents and controls a myriad of plant diseases

A high-quality tool kit is provided with the purchase of the CenturionPro® 3

Each container includes 7 million live beneficial nematodes

and completely water-resistant

16x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack tents-&-tarps Plant Doctor prevents and controlsImportant 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