This 120 watt R40 bulb has a medium base. This bulb has a 2,000-Hour rated life and an overall length of 6-9/16". This bulb is tinted blue to highlight plant colors - this does not promote plant growth.
Brightness 1370 Lumens
Estimated Yearly Energy Cost: $14.45 based upon 3 hrs/day. 11c/kWh. Cost depends on rates and use.
