20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack Water Pumps & Irrigation Supplies Keep plugs or cubes wet

Keep plugs or cubes wet after initial planting in order to prevent them from drying out

This film will prevent the optimal release of the active ONA ingredients

when used in combination with fertilizers

and whiteflies

The added benefit of fibrous peat moss and coarse perlite makes this formulation ideal for growers who require a superior-quality product adapted to their needs for watering flexibility and crop seasonality

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack Water Pumps & Irrigation Supplies Keep plugs or cubes wetImportant 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,