General description The 54mm Silicone Steam Ring is a pack of 18 group head gaskets designed for various Sage espresso coffee machines, including models 500, 810, 870, 875, 878, 880, and others. Made from food-grade silicone, these gaskets are BPA-free and offer superior resistance to high temperatures compared to standard rubber gaskets. Technical specifications Diameter: 54mm Temperature resistance: -65°F (-54°C) to 450°F (230°C) Material: Food-grade silicone Package contents: 18 x Silicone Steam Rings Measurement allowed error: +/- 1-3 cm Usage The silicone steam ring fits perfectly with Sage coffee machines, providing excellent sealing capabilities. The soft silicone material allows for easy insertion into the groove, forming a tight seal that minimizes leaks and reduces the frequency of replacements. Other information Color: Photo color Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.