Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 14 Plus Carbon 1 Pack air-purification square wave technology provides much

square wave technology provides much greater current stability and consistency in output levels

so adjust the watering frequency accordingly

• Automatic restart allows unit to be used with humidity controllers

effectively bypassing the vacuum impeller to deliver the greatest production possible without damaging your trim

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 14 Plus Carbon 1 Pack air-purification square wave technology provides muchImportant 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,