16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 8 Pleated Plus Carbon 4 Pack Reflectors & Grow Lights The MS grow light can

The MS grow light can be externally controlled with digital lighting controller featuring light timing

We call this “biological tilling

Canvas Density: 210D

Performance of combustion chamber¹: 46 kW / 61

These refill sheets are compatible with standard growing trays such as in the Speed Starter Kit

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 8 Pleated Plus Carbon 4 Pack Reflectors & Grow Lights The MS grow light canImportant 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,