Combination gasket for espresso machines 870/878/880/860/840/810/450/500/Sage 500/810/870/875/878/880. Compatible silica gasket is made of food-grade silica, free of bisphenol A, easy to disassemble and install, and more resistant to high temperature than rubber gasket. It can handle temperatures ranging from -65F (-54C) to 450F (230C). The 54mm silicone ring fits perfectly with the coffee machine. The soft silicone can be easily inserted into the groove to form a secure seal, ensuring no water leakage while minimizing replacement frequency. Color: As shown in photo Material: Silica Package Contents: 3 x Silicone Ring Only the above package content is included; other items are not included. Note: Light reflection and different displays may cause slight color variations compared to the actual item. Measurement allowance is +/- 1-3 cm.