Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 14 Air Filters 4 Pack king bassiana spores penetrate the insect's

bassiana spores penetrate the insect's protective cuticle and kill it from within

You can learn more about Cokin filter holders on the Cokin website

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Repeat releases periodically throughout the growing season

Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 14 Air Filters 4 Pack king bassiana spores penetrate the insect'sImportant 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,