Last year a supplier tried to sucker me and sent the ones that have only a 2K hr. rated lamp life in lieu of the 5K rated ones and tried to charge the same price. Just to let you know to be on the lookout. I think those 2K ones are manufactured to be sold to the big boxes. They claimed it was an honest mistake. Pete has his suspicions. Just be on the look out so don't get snookered. You can thank Pete for the head's up.