20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 4 Pack Water Pumps & Irrigation Supplies • Two spotted spider mites

• Two spotted spider mites

The system includes one reservoir tray

Research has shown that Leonardite is the best source for humic and fulvic acids because its biological activity is much greater than other sources of humic acid

6 Liters (1

Cover the bottom of container with a lightweight drainage layer such as Growstone GS-1 Hydro Stones

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 4 Pack Water Pumps & Irrigation Supplies • Two spotted spider mitesImportant 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,