Yes, except it is a total of six 1" PVC overflows, there's two in the shadows in the corner.
Filtration is six overflows dumping into a 30 gal sump with a skimmer then runs through a filter pad and pumped back into the tank. Sump used mainly to house skimmer and return pumps. Pumping back into tank with four return lines, each pump feeds two returns on opposite ends of the tank.
That is hair algae on the left side. It has now be grazed down to a managable level by the astra snails, nudi's, and sally lightfoot.