20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 14 Plus Carbon 4 Pack featured ●【High Reflective&Noise Free-fanless light boards

●【High Reflective&Noise Free-fanless light boards design】will make your growing life easy and quiet

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83Lm±5%@AC277V

including auto-restart

While calcium and magnesium ions are easy for a plant to uptake

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 14 Plus Carbon 4 Pack featured ●【High Reflective&Noise Free-fanless light boardsImportant 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,