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This thriving colony of Ulocladium oudemansii provides protection from pathogens to fruit
ensuring fast and easy cleanup
hydrogen sulphide and heavy metals in well water
and other water-soluble heavy metals that can accumulate in your growing medium
Vital Oxide employs the power of Oxygen (in the form of Chlorine Dioxide) to create a fast-acting
20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack biological fertilizer This thriving colony of UlocladiumImportant 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
