Bezzera water filter.
Used in the following models:
B2000, B2000-AL, B2000DE, B2000-MN, B2006, B2006-AL, B2009, B2009-COMPACT, B2013, B3000, B4000, B6000, B6000 NEW, C2013 COMPACT, EBBIS, ELLISSE, ELLISSE NEW, GALATEA, VERTICALE