Safety Non- Return Valve Inlet: 1/8" Outlet: 1/8" Length: 30mm Suits the following machines: Astoria: Adria, Argenta, Brava, CK, CKE, CKX, CKXE, Denise, Dora, Lisa, Pratica, Pratic New, Vania. Bainchi: Antares, Orion, Sirio Brasilia: Miniclassic, Portafino-Leva ECM: Giotto, Veneziano, Casa, Classika II, Elektronika II Profi, Elektronika Profi, Mechanika Simonelli: Elli, Microbar Rancillio: Epoca1GR, S20, S24, S26, S27 Reneka: Concept, Plus, Plus Serie Prestige, Prestige, R80, Tempo, Viva, XL, Xl Basic, XL Pallas Saeco: Group500, Saeco 500, SG 500, SG 500N E, SG700, SG 700N E