Air Bear 20x25x5 (4 7/8) Replacement 259112-102 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack Garden Hygiene and Safety See the DOCS tab for

See the DOCS tab for BioSafe's tree replanting and soil remediation programs using TerraGrow & TerraClean 5

Features include a long range igniter

for optimum results

An incredibly high diversity of microorganisms

Support large filters and heavy reflectors without compromising your growth area—the Hercules means center support poles are superfluous

Air Bear 20x25x5 (4 7/8) Replacement 259112-102 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack Garden Hygiene and Safety See the DOCS tab forImportant 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,