They look like this:
http://www.van-cafe.com/vanagonparts.jsp?pa=p&p=366178303

On 10/16/07, Max Wellhouse <maxjoyce@ipa.net> wrote:
>
> Some time ago  there was talk of the cooling system H pipe on the
> early waterboxers being hard to find these days.  I think I found
> like 3 or 4 of these in a junk yard and was wondering if someone
> would fire off a picture to my home email  to make sure what I have
> is the real deal.  I'd sell them for a fair price, but want to make
> sure what I have is what I have.
>
> Thanks
>
> Max
>