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Vital Oxide employs the power of Oxygen (in the form of Chlorine Dioxide) to create a fast-acting
It is effective on soft-bodied insects on a wide range of plants and trees
whole house filter systems
hydrogen sulphide and heavy metals in well water
and cool-running—this is one cool ballast
20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack biological fertilizer Vital Oxide employs the powerImportant 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
