16x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack HPS Seawead extracts in Alg·A·Mic™

Seawead extracts in Alg·A·Mic™

• AC version includes 6" or 8" flanges that enable higher air flow for cooler temperatures and more reflectors in-line

In very low humidity conditions the photosynthetic process within the plant slows and this leads to stress

use ½ to 1 teaspoon per gallon of water

30% Light Deprivation

16x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack HPS Seawead extracts in Alg·A·Mic™Important 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,