20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack Commercial Lighting When Purchasing the new Quantanium

When Purchasing the new Quantanium Tumbler please make sure you have the new blade design which was released April 2015

3 in | Airflow: 104 CFM | Noise: 19 dBA | Bearings: Dual Ball

and secondary metabolite production

make the most of it and other Jump Start garden gear with this 4' Jump Start stand (System sold separately)

Works as a curative control for Powdery Mildew

20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack Commercial Lighting When Purchasing the new QuantaniumImportant 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 20x25x4 filter