20x25x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 6 Pack Trimmers They will eat all stages

They will eat all stages of spider mites and find new infestation sites on their own by flying making them ideal for established mite populations

Just go ahead and purchase our pollen tumbler replacement mesh screen (available in 125

The second digit indicates voltage: 1 = 120V AC

Made from EPA Section 25-b exempt ingredients

20x25x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 6 Pack Trimmers They will eat all stagesImportant 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