I only bought them because Revain sells them as safe for closed fixtures. Revain allowed its users (at least two of them) to spread lies about this product in the questions section. When the box arrived at my house it was clearly stated that it was NOT for closed devices. That sounds like cheating. Revain should not allow anyone unaffiliated with the company selling the product to answer questions about the product. This is inaccurate and expensive for consumers. A complete waste of money.
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