16x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack hawthorne Active Aqua's Grow Flow is

Active Aqua's Grow Flow is the most efficient ebb & flow system on the market

wire worms

It is then fed to nearly 50 million red wiggler worms

blue-red spectral combination specifically designed for stacked grow architectures

Pyur Scientific Lab Pentane 1 Gallon

16x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack hawthorne Active Aqua's Grow Flow isImportant 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,