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Total Grow Control pH-EC Controller
make sure they are good companions (i
fruit and root crops
Bacterial Complex (Burkholderia glumae
💧 Boost water uptake — stimulates mycorrhizal growth for better root absorption
16x20x4 (3 5/8) Pleated MERV 10 Air Filters 2 Pack spl_hw Total Grow Control pH-EC ControllerImportant 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. If you are replacing a 4 3 8 depth 16x20x4 filter
