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(1) MT Multiplying Medium
yet it is free-draining for frequent feeding of fast-growing
Heavy Metal Removal:
Potassium K+ (ppm)
This Product Controls These Pests or Diseases: Use to treat/control the following plant pathogens: Alternaria
20x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack nutrients (1) MT Multiplying MediumImportant 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
US$ 155.00
US$ 299.50
US$ 109.95
