20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack dis such as Botanicare’s ReadyGro Plugs

such as Botanicare’s ReadyGro Plugs or rockwool cubes

Screwdriver

HB1000 Full Spectrum Led Grow Lamp including high efficient horticultural LM301H plus Red

soft-sided container that benefits your plants

20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack dis such as Botanicare’s ReadyGro PlugsImportant 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,