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Biofuel™ SP is an innovative new fertilizer technology that powers plant growth with beneficial biology
Formulated for all grow medias
A+B Hydro/Coco base feeds are explicitly designed for hydro/coco
healthy vegetative growth and overall exceptional plant performance
Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 4 Pack aaron Biofuel™ SP is an innovativeImportant 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 3 8 and 5 1 4 inch depth filters,
