It's most definitely an HQI (double ended) Ushio 20k bulb.
The floodlamp has a sheet of glass covering it, so the bulb is not exposed.
Will the piece of glass suffice?
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20g BB Mixed Reef // Coralife 150w HQI // AquaC Nano // Koralia 1 & Seio 820 // Jager 200w // AC50
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