Eufy Robovac Max Series: Eufy RoboVac 11S Max, RoboVac 15C Max, RoboVac 30C Max, Eufy G30 Edge, Eufy G30 Verge. Do NOT fit Eufy RovoVac 11S, RoboVac 15C, RoboVac 30C. Max models(e.g. Eufy 11s Max) and non-Max models(e.g. Eufy 11s) are quite different.