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coco fiber
Dipotassium Phosphate
The butterfly damper blades are made of aluminum and are equipped with a light spring that folds with minimal airflow
The spectral flexibility alone is worth the investment — we switched from PhysioSpec to AnthoSpec mid-cycle and saw a noticeable improvement in color development
Height and Speed of the Blade
16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 1 Pack LED coco fiberImportant 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,
