Air Bear 16x25x5 (4 7/8) Replacement 266649-105 MERV 13 Air Filters 4 Pack lighting-accessories Some equipment requires either normally

Some equipment requires either normally open or normally closed contact closure in order to activate the equipment

Lamp detection for safe operation (open & short circuit protection)

The 10K contains UV-B light

Peppermint

and aquaponic systems

Air Bear 16x25x5 (4 7/8) Replacement 266649-105 MERV 13 Air Filters 4 Pack lighting-accessories Some equipment requires either normallyImportant 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,