I ordered 4 of these from Revain and they arrived used/damaged. They were unpacked, the ballast sheet of 2 pieces was removed and bent, all had signs of wear and were then returned. They were all frayed and scratched and the wires showed that they had been inserted/used before. I would not recommend buying these as ballasts have a finite lifespan. My guess is that someone already took their lives from them and then gave them back. I didn't install it and sent it back.
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