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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
and 36 tubes
an ergonomic design
ROOT comes in a convenient
It cannot be used or connected to any other Bluelab product
They are fungus- and bacteria-resistant
20x20x4 (3 5/8) Pleated MERV 14 Air Filters 6 Pack Trimmers and 36 tubesImportant 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 20x20x4 filter
