That's the same square one sold lot's of places (different brand
names), the same one we used for years and about the same price I saw
at K-Mart when I was looking. Not too tall, a positive latching
system & a simple pump.
The  2+ gallon model is not too heavy to carry into a toilet when you
need to empty it. If you empty it every few days you don't need any
chemicals, it's not vented.
That's the one I'd recommend to anyone looking to put a porta-potti
in their VW.

Rob
becida@comcast.net
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

At  1/29/2011 08:25 AM, Loren Busch wrote:
>   RE: Potable Toilets
>Well, I finally found the make/model of the toilet I've been using in my
>Westy for 15 years now.  It's the SeaLand Sanipottie identical to the second
>one shown on this page
>http://www.sealandsanitation.com/portable_toilets.htm
>the 2.8 gallon size.  It appears that that same item is marketed also by
>Dometic and maybe even under other names.