Need help

Hello, I actually purchased 2 of these items, but only received 1 and a Xlear Nasal Spray that I didn't order. I believe all of this was fulfilled through Amazon. However, I am unsure how to get what I need exactly. There doesn't seem to be an option to ask for what I want and also return an item I got but didn't want in the help section. Could someone please tell me the best way to rectify this situation via Amazon?

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