Other reviewers have said these CBconcept Halogen replacement bulbs are not as bright as the bulbs they're replacing. Not true for me! Luckily, I was able to do a side-by-side comparison. I replaced one of two halogen bulbs in my 8-month-old KitchenAid Range Hood. It was right next to an original halogen bulb that had been installed by the manufacturer. Same brightness and intensity! No difference whatsoever. I can't speak to the longevity of these halogen bulbs, which is still a concern for me. I hope to get at least 8 months of use from each of these 10 bulbs. Then I'll be a true devotee!!