Premium Silicone Material: Crafted from superior quality silicone, this group head seal offers exceptional heat resistance and durability. It withstands temperatures ranging from -65°F to 450°F, ensuring optimal performance under various conditions. Enhanced Heat Resistance: Designed to endure extreme temperatures, our silicone steam ring maintains its integrity from as low as -65°F up to 450°F. This feature guarantees that the seal remains effective, providing a reliable barrier against heat and pressure. Effortless Installation: Replacing your coffee machine's group head seal is a breeze with our product. The simple installation process not only saves time but also enhances the efficiency and smooth operation of for your coffee machine. for Machines: Specifically engineered to match the specifications of for coffee machines, this seal ensures a snug fit and optimal functionality. It replaces worn or seals to restore your machine's efficiency. Optimal Sealing Performance: Our soft yet silicone steam ring adapts perfectly once installed, preventing any water overflow. This tight fit ensures that every espresso s you pull is of the highest quality, with no loss of pressure or heat. Color: Blue Material: Silicone Package Contents: 4 * washers 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.