Coralife Replacement Cup for Super Skimmer 220 Gallon Replacement Cup for the 220 Gallon Coralife Super Skimmer protein skimmer Will fit both old style and new style Coralife 220 Gallon Super Skimmers It DOES NOT come with the drain tube hose. It may or may not include the o-ring. Lately, they have not been coming with the o-ring. This cup can also be used as a replacement cup for the Coralife 300G Cone Protein Skimmer. The only difference is this cup has a red ring and the Cone Skimmer cup it replaces has a grey ring.