Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 15 Air Filters 4 Pack Lighting Accessories and should not be used

and should not be used as a replacement for nutrients

The low-maintenance 26-Site Super Flow Hydroponic Grow System features adjustable trays that can be configured to fit any space

blue-red spectral combination specifically designed for stacked grow architectures

The flowering stage creates a very demanding environment for plants

Keep your beneficial insects and predatory mites safe from predators and the elements using the Universal Release Box

Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 15 Air Filters 4 Pack Lighting Accessories and should not be usedImportant 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,