De'Longhi 5313218341.
L FITTING FOR PIPES EXTERNAL ø 4 mm 
Delonghi connector for the over-pressure valve to the pump for the following machines:
• ECAM26.455.M PrimaDonna S
• ECAM28.465.AZ PrimaDonna S Vintage
• ECAM28.465.BG PrimaDonna S Vintage
• ECAM28.466.M PrimaDonna S de luxe
• ECAM28.466.MB PrimaDonna S
• ECAM45.326.S Eletta Plus
• ECAM45.366.B Eletta Cappuccino
• ECAM45.366.W Eletta Cappuccino
• ESAM5550.B Perfecta Cappuccino
• ESAM6600EX:3 PrimaDonna
• ESAM6620EX:3 PrimaDonna
• ESAM6700EX:3 PrimaDonna Avant
• ESAM6750 PrimaDonna Avant Chrom
• ESAM6900 PrimaDonna Exclusive
• ESAM6900.M PrimaDonna Exclusive
• ETAM36.365.M PrimaDonna XS de luxe
• ETAM36.365.MB PrimaDonna XS de luxe
• ETAM36.366.MB PrimaDonna XS
