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Material Handling Polyurethane Coated
ProZyme is compatible with all standard nutrients
Plant Growth with the new Z7 Technology
Perfecta BLOOM is also compatible with all hydroponic growing systems and media
giving you the power to maximize VPD across all grow conditions
20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 14 Air Filters 4 Pack Emitters Material Handling Polyurethane CoatedImportant 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,