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Poinsettia
They contain no pesticides
Prefilter: Yes
can have unpleasantly high levels of heavy metals and pesticide residue
20x20x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack Cleaning Products PoinsettiaImportant 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
