Greetings. I'm not seeing that we have a water block for this card at Micro Center at this time.
You can look at a place like EKWB that does appear to sell those for this model of card - https://www.ekwb.com/news/ek-launches-vector-water-blocks-for-powercolor-red-devil-rx-6800-and-rx-6900-gpus/
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