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●【Uniform Par distribution】The newly developed chip arrangement by mars hydro enables a more even and efficient light distribution
– 5 wheels around perimeter
The tailored spectral output promotes larger leaf area and thicker primary stems
The 913024 comes with our Patented Fan System which helps in reducing water temperature
It's great for stirring your nutrient tank too
20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack cococube ●【Uniform Par distribution】The newly developedImportant 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
