My Eco Lamp is pleased to announce the addition of Keystone Ballast.   Keystone Ballast feature 100% quality control, 5 year warranty on T8, T5, CFL electronic ballast.  In addition, Keystone offers a full line of HID ballast, HPS, ballast, Sign ballast and transformers.  If you are looking for an alternative to some of the more expensive brands while not sacrificing quality and service, Keystone Ballast is a great addition.