Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 13 Air Filters 2 Pack rockwool Stall speed range eliminated to

Stall speed range eliminated to eliminate fan stoppage

Transformers work as ballast components

and it also features an internal clock with a back up battery to maintain accurate timing even in the event of a power outage

Input Voltage:                        12VDC

Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 13 Air Filters 2 Pack rockwool Stall speed range eliminated toImportant 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. We also carry 4 3 8 and 5 1 4 inch depth filters,