Don`t try and put the guy off really cheap bulbs that have come from Hong Kong and flicker after a couple of weeks , then corrode at the base and fall away from the fitment after burning a Brown spot into your Reflector/Lens ........ jeese LOL
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No , seriously , stick with what the guys have suggested for your bulbs .
ALSO ..... he states in his auction he has sold thousands , so how come he only has 23 feedbacks , 5 of which are Red Negatives , steer clear is my advice