16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 4 Pack Growing Media Big Time Rinse is used

Big Time Rinse is used at the end of a crop's growth cycle to trigger the last reproductive stage of the plant

1 x Full Spectrum Quantum Sensor

1 x Thermostat Station (TS-1)

Perfect for general outdoor and around the house use

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 4 Pack Growing Media Big Time Rinse is usedImportant 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,