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Hydrofarm searched globally and went to great lengths to find a source of top-quality perlite
LHT55 - 5’x’5’x6
This fan has 3 speed settings controlled by a turn switch
The ARS-1 is a universal controller that works with most mini-split air conditioners (and some window-type AC units too)
vertical farms
16x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack Nutriants Hydrofarm searched globally and wentImportant 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 16x20x4 filter