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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Our clever pH controller automatically monitors and fine-tunes the pH levels for you
because of the physical shape of each particle
promotes stronger and thicker stems
giving you more time to tend to your plants
16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack AIR FILTER BOXES Our clever pH controller automaticallyImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,
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