holding

I have a 140" WB sprinter (2006) and trying to find a solution for an underbody water holding tank. The largest space that would work that I found was 34" L x 7.5" W x 10" H Anybody have some solutions to this? I'm getting some custom quotes, but if there was an existing solution I'd much...

I replaced the bucket I used to put on the ground under the van to collect the gray water with a "holding tank" , actually a Rubbermaid 6 gallon water tank which I painted black -- it was blue (last photo) fitted appropriately and strapped under the floor on the driver's side. I did not want to...