16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack tents-/-indoor-greenhouses which ensures the highest quality

which ensures the highest quality and optimized performance

With a rugged waterproof housing designed specially

000 aphids per day

so the UV light was blocked

Softwood Bark

16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack tents-/-indoor-greenhouses which ensures the highest qualityImportant 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