Diffuser a Pain

I tried to install the diffuser lens. I'm possible to open. Had to use pliers just to open. When I finally got it open I discovered they didn't include the diffuser lens. Just another smooth lens. Then I couldn't s screw the cover back on anyway. Whoever assembled it initially probably cross threaded it. What a pain in the ... Worked great other than that. I'll have to contact customer service. See what happens.

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