I built this as an internal chaeto tank for my sump, but changed the sump design. It was tested in-tank, so no leaks.
Tank measures OD 12L x 6W x 8-1/4T
The flood overflow lip sits at 8T
The included bulkhead is 1" threaded/threaded and the glass is 1/4"/6mm
$15
This is it before removal ( right side of pic )
This is what you get
