ATB V1 840 Skimmer with Eheim 1250 pump and extra impeller. The skimmer body is in good shape. There are replacement screws in the base (if you know these skimmers) that is not an issue. The cup has been tapped and sealed (by me) for a PH Reactor connection. You have a choice to use this or the silencer. There was a crack that was properly repaired with Weldon that does not leak or create an issue. This skimmer is a beast and will easily skim a 125+ gallon tank. I am selling because I bought a smaller back up skimmer for my 70 gallon tank. $225 shipped CONUS.