That's completely different to my wet room shower drain. Presumably the bit you screwed off is some sort of fine filter to stop crud going down that tiny flattened hole?
Presumably the bit you screwed off is some sort of fine filter
Nope, just seemed to be a cap.
@Cupcakes started
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That's completely different to my wet room shower drain. Presumably the bit you screwed off is some sort of fine filter to stop crud going down that tiny flattened hole?