Sage/Breville Back Flush Cleaning Disc 59mm  €4.49

Fits: 58mm version such as

• Breville: Oracle  BES980XL
• Breville: Oracle touch  
• Breville: Duel boiler  BES900XL and BES920XL 

Won't fit: 50mm version such as 

• Breville Sage Solis Duo-Temp 800ESXL
• Breville Sage Solis Die-Cast Programmable BES830XL and BES820XL
• Breville Sage Solis Cafe Roma ESP8XL,
• Breville Sage Solis Cafe Modena ESP6SXL

Won't fit: 53/54mm version such as See below or Sage/Breville Back Flush Cleaning Disc 54mm

• Breville Sage Solis Barista pro BES878
• Breville Sage Barista Touch BES880
• Breville Sage Solis Bambino Plus 
• Breville Sage Barista express BES870, BES870XL ,BES860XL
• Breville Sage Duo Temp pro
• Breville  Sage Infuser