ONLY for the following models: DeLonghi: ? EN520.BK / 520.BL / 520.R / 520.S / 520.W / 550.B / 550.R / 550.W Nespresso;EN520.BL / 520.R / 520.S / 520.W - Will NOT fit other Models not listed;GENUINE DeLonghi Nespresso Factory Part No. 5313226701;Silicone Rubber - Non-returnable for health and safety reasons;Individually Vacuum Sealed in Plastic