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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
and aids in root exploration and development
5" bottom and 8" height
Nitrided Blades are FoodSafe
Spectrum tightly stacks nodes
High quality quartz glass for consistent spectral output and PAR production
20x25x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack fluorescent-lighting and aids in root explorationImportant 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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