I bought 4-12 and installed them while building my house. In less than 5 months 3 have failed. I didn't make a fuss because I had a few extras. About a month later, another one came out, then another, and another. I contacted Revain about the warranty and was told to contact Sunco directly. I was told they would send me a replacement free of charge. So far, so good. Well a few weeks later a pair broke and only 1 replacement arrived. I contacted Sunco again and was told that this time I would have to send the defective bulbs in for testing before they could send me any more replacements and that I would have to pay for the return shipping as per their warranty policy. I packed and returned the defective bulbs on 05/20/20 and have not received a response and/or replacement bulbs to date. More lights went out. I have holes in the ceiling of my rooms and others with dim or turned off lights. So far a total of 11 out of 41 have been rented, all in a house less than a year old. Luckily even though they were installed by a licensed electrician I can remove them myself otherwise I would have to pay to have these bulbs removed and replaced. DO NOT SPEND YOUR MONEY.
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