So OK Henderson Mark V same, same Whale. I couldn't find a trim ring a few years ago so replaced it ... with a new somewhat smaller pump. Why I kept this one as a spare... duh.

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Even when they put a "imtra" label on it.
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Attached Files
eIMG_0426.jpg [40.79 KBytes] - (180 downloads)
Henderson Mark V
eIMG_0427.jpg [29.98 KBytes] - (165 downloads)
imtra label on Henderson Mark V