Yes, the tank comes with the sump. 2" drain to a filter sock, then to 2 bioball sections, and UV sterilizer. Rio HF32 return pump with 1" line. Drain and return lines are run through the overflow box in the tank. if you have any more questions, pm or text me.Does the tank come with sump? If yes, any info on the sump and Plumbing? Thanks!