20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack spl_spectrumking 1 static brush by Harvest

1 static brush by Harvest More to sweep up pollen

the UVC light is continuously shining on the collected organisms with high efficiency of kill

Features 7-inch overall length

Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 12 Plus Carbon are made of a dual material where the MERV rated material has been fused together with a carbon layer

Outdoor Crops: Use 8-21 fl

20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack spl_spectrumking 1 static brush by HarvestImportant 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