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Absorbalight maximizes your plants' natural response to costly lighting
ARBICO Organics™ Fly Eliminators™ are tiny
A higher nitrogen and potassium ratio for all-around growth made from bat and seabird guano
proper light penetration has become even more important with today’s lighting technologies
and produce prize-winning blooms
20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 1 Pack house and amp Absorbalight maximizes your plants' naturalImportant 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,