This really should be a NO STAR post but the website demands at least one star In my 3 year old home with 3 year old ballasts -- I have lost 2 ballasts this last year. Was told by the sales associates that ballasts only last 1 year. Funny as my friends and family have the same circle lights and their ballasts have lasted for some 10 years and still going. America Elex ballasts only last for 1 year -- this is direct from their office manager -- beware!