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Two handled shower taps are dripping, I took one out and took a pic of it but nothing on Amazon seems to match it. Because there’s no isolation valves for this shower, I have to shut the water off to the house to check it out so I can’t really take it with me to the plumbing store.

edit: I needed an 18mm socket to remove it, if that matters.

Can anyone point to a replacement on Amazon or HD if possible?

Thanks.