SPECIFICATIONS Brand Name: NONE Certification: FCM Choice: yes Feature: O-ring seal High-concerned chemical: None Kit Type: Two-piece Set Material: Silicone Model Number: 20250714 Origin: Mainland China Size: 54MM Combination gasket for Breville espresso machines 870/878/880/860/840/810/450/500/ Sage 500/810/870/875/878/880 For Breville/Ageespresso coffee machine, compatible silica gel gasket is made of food grade silica gel, free of bisphenol A, easy to disassemble and install, and more resistant to high temperature than ordinary rubber gasket. It can handle temperatures as low as - 65 ° F/54 ° C to as high as 450 ° F/230 ° C. Excellent sealing - our 54mm silicone steam ring fits perfectly with the Breville/Sag coffee machine. The soft silicone can be easily inserted into the groove to form a tight and firm seal, ensuring that no water escapes, while minimizing the replacement frequency. color:Photo color Material:Silica gel Package Contents: 2/3 x Silicone Steam Ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.