Essential Maintenance Spare Part - Steam gaskets wear out over time due to heat and moisture; keeping a spare ensures your machine continues to froth milk efficiently without interruption. Universal Fit for Popular 54mm Machines - Designed to match the standard 54mm steam wand port found on many home espresso makers (compatible with models like 870, 878, 880, Sage 500, etc.-check your manual for fit). Simple and Quick to Install - Replacing the old seal takes just minutes with no special tools, helping restore proper steam pressure and prevent leaks in your daily coffee routine. Food-Grade Silicone Construction - Made from high-quality, heat- silicone that meets food safety standards and withstands temperatures from -65°F to 450°F (-54°C to 230°C) for long-term reliability. Value Pack with Two Replacement Rings - Includes two identical 54mm silicone steam rings, giving you a backup for use or immediate replacement if your current seal is cracked, hardened, or leaking.