16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 1 Pack fans-ventilation-ducting The ILUMINAR iLBar LED series

The ILUMINAR iLBar LED series is our small single bar design

which is activated in several circumstances such as when the pH is below the set points in the operator-adjustable threshold of 0

and humic acids to help ensure you have a thriving

5mm Male to Female audio cable

Mix Athena Cleanse at a rate of 5-10 mL/ gallon of water during the final flush stage to help reduce residual mineral buildup in the growing media and plant tissues

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 1 Pack fans-ventilation-ducting The ILUMINAR iLBar LED seriesImportant 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,