Quote:
Originally Posted by rainmaker69
So that would be the total length of the surface of the overflow box, including sides?
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Not sure what you mean by "including sides".
Perimeter of the whole box? Hmmm. Good question. I'm not sure but I think so. If it meant just the length, like I thought, then you'd be lookin' at a 71" long overflow box for 4,700 GPH. Seems kinda big, but 4,700 GPH is big too.
I'm sorry. I'm gonna have to plead "I don't know" on this.

Danny?......
Cheers,