Used this skimmer for a few years on a 150 gallon tank with a very large coral bio load. Comes with 100 watt askoll pump all complete in its original box ready to go. Skimmer and pump are very clean and it is a beast. 5-6 inch neck. (Skimmer is basically a Royal Exclusive clone) Can text pics Possible trade for anything other than tank related or $250 Located in central Arkansas