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mineral buildup
Nordic Pure 16x20x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
compatible with all Hydrofarm or Xtrasun ballasts
The Nutradip GrowBoss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts
or it can be connected to a Netafim PCJ "hub dripper" for CNL pressure compensation
20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 6 Pack LED mineral buildupImportant 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
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US$ 99.99
US$ 235.00