Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 10 Pleated Plus Carbon 2 Pack cube light device (it won't weigh

light device (it won't weigh down your head) clips to the under brim of most caps

Boost productivity even further when you operate the lights with SmartPAR

Safe for aquaponic and hydroponic systems

pH Combo Electrode Glass Body - Refillable Temp Sensor

The pH is taken care of

Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 10 Pleated Plus Carbon 2 Pack cube light device (it won't weighImportant 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,