I love these bulbs and they match my lamp perfectly. Same PL13/27K light as before. From what I've read they may not work properly with electronic ballasts (e.g. Ottlite). I'm a little worried too, but I expect a few/several years of use, although others have reported a very short lifespan. I will update my review if I encounter any issues. So far I'm happy with these pears. I am not happy with River Road (the seller) as the price changes frequently, sometimes more than once a day. Especially since at the time of my order the price had gone up a few bucks in the short time these lights have been in my cart.
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