54mm Silicone Steam Ring Seal - Coffee Machine Brew Group Head Seal Gasket Compatible with Breville Espresso Machine 878/870/860/840/810/500/450/ Sage 500/870/875/880/810/878 : Amazon.ca: Home
Breville 810 840 860 870 878 Barista Oring Seal for Hoses X 10 SP0001565 | eBay