Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 8 Pleated Plus Carbon 4 Pack pots-containers Bti is harmless to all

Bti is harmless to all other forms of wildlife making it safe for use in ponds

disables and kills fruit flies

Large luminous area uniform PPFD distribution

Maximum of 1 hour REI when applied in enclosed environments

This revolutionary formula was designed to allow for maximum versatility throughout the grow cycle

Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 8 Pleated Plus Carbon 4 Pack pots-containers Bti is harmless to allImportant 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,