You mean all those CFL bulbs with dangerous mercury? Me and the wife stayed clear of those, glad we did as others have now dumped them in favor of LED bulbs. What a fiasco CFL bulbs turned out to be, and a waste of money (they were very expensive).
“What a fiasco CFL bulbs turned out to be, and a waste of money (they were very expensive). “
and with very few exceptions only lasted a tiny fraction of the claimed longevity before burning out ... expensive, toxic, and short-lived ... thank you very much George Bush!