Amazon.com: 54mm Silicone Steam Ring Fits for Breville Espresso Machine 878 860 840 810 450, Fits for Sage 500 870 875 880, No BPA Grouphead Gaske Replacement Part, 2Pcs: Home & Kitchen
2pack Brew Group Head Seal Gasket,54mm Silicone Steam Ring Replacement Part Compatible With Breville Espresso Machine 878/870/860/840/810/500/450 | Fruugo NO
Barista Express tears steam rings : r/Coffee
Espresso Machine Brew Group Head Gasket 54mm Breville Coffee Machine Silicone Gasket - China Silicone Gasket, Coffee Machine Silicone Gasket | Made-in-China.com
Amazon.com: Wadoy 54mm Silicone Steam Ring Compatible with Breville BES870XL Barista Express, BES860XL Barista Express, BES840 Infuser Espresso Machine, Duo-Temp BES810BSS Grouphead Gasket : Home & Kitchen
Amazon.com: 54mm Silicone Steam Ring/Group Head Gasket & Shower Screen, Precision Kit Compatible with Breville Barista Express, Bambino Plus, Barista Pro, Barista Touch, Infuser, Duo Temp Pro: Home & Kitchen