About this item Silicone Steam : Good elasticity to prevent cracking, high and low temperature and good . Fits most modern E61 group heads. Combination gasket compatible for Gaggia coffee machine. Last Longer: Made of silicone material, which is easy to remove and easier to install, it is no BPA, more , more to high temperature than ordinary rubber gaskets, and has a longer lifespan. Leak Proof and : Our silicone grouphead is soft and fits firmly and tightly after installation, no water will overflow. Prevents water leakage during the use of the coffee machine. From Cold To Hot: Our silicone steam stands well against constant exposure to extreme temperatures. It can handle a range of as low as ‑65°F / 54°C to as high as 450°F / 230°C. Kitchen Essentials: Silicone gasket is a must for life and kitchen, and any set of gaskets needs to be replaced, so having a spare steam on hand is essential.