"Dave" wrote in message news:XEgNc.193688$Oq2.50106@attbi_s52...
I forgot to mention that the vertical lift to the filter will be less than
one foot, with a little waterfall back into the main pond. Horizontal
distance will be 2 feet. Total head approx 1 foot.

Total head for the plume is what matters, isn't it?
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Crashj