16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 4 Pack Grow System/ Trays/ Reservoirs They will also put out

They will also put out organic acids that solubize nutrients for easier uptake

Make those LED or HID grow lights work better for you and your crop

Expansion burners for the GEN series allow you to customize your natural gas generator for your particular application

on lawns or when working in the yard or garden

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 4 Pack Grow System/ Trays/ Reservoirs They will also put outImportant 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,