Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 12 Pleated Plus Carbon 1 Pack ventilation and ducting 50’ max extension cable length

50’ max extension cable length

This 1 gallon equivalent Air-Pot can be used for seed germination and cuttings

conductivity (ppm) and temperature of the nutrient solution

For use with HI993310 only

Push-button calibration

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 12 Pleated Plus Carbon 1 Pack ventilation and ducting 50’ max extension cable lengthImportant 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,