Posted 2010-10-08 8:52 PM (#125601) Subject: black holding tank
New User
Posts: 3
Location: muldrow,ok
I have an older trailer with 3 inch sq tube underneath for frame rails and no room for holding tanks .So I was considering putting black holding tank inside of trailer and piping to the outside to dump ,it will have a vent and toilet on it . Just wondering if anyone has done this or seen it done.