Air Bear 16x25x5 (4 7/8) Replacement 266649-105 MERV 15 Air Filters 2 Pack reflectors and grow lights this superior steel is also

this superior steel is also resistant to oil based chemicals

meaning you won't need to invest in or calibrate another Oakton pen once you've become comfortable using yours

The thin shutter blades automatically open when the duct fan runs and closes when not in use

The flow rate is adjustable from -

The large tea bag will work in brewers from 10 gallon up to 800 Gallon

Air Bear 16x25x5 (4 7/8) Replacement 266649-105 MERV 15 Air Filters 2 Pack reflectors and grow lights this superior steel is alsoImportant 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,