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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Recommended for INDOOR use
Being proactive
NOTE: If a longer sensor cable is desired use optional replacement:
alarm system
20x20x4 (3 5/8) Pleated MERV 14 Air Filters 6 Pack Terp Derp Recommended for INDOOR useImportant 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
US$ 80.00
US$ 80.00
US$ 70.00
US$ 54.99
