Description
steamed bone meal and micronutrients
Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution—can be recalibrated with digital calibration using the push buttons
and comes with four-way finger slots for improved Cloning Collar extraction
As with all Nordic Pure filters
pools & spas
20x25x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack bio soil steamed bone meal and micronutrientsImportant 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 20x25x4 filter