General description The 54mm Silicone Steam Ring is a pack of 30 group head gaskets designed for various Sage espresso machines, including models 878, 870, 860, 840, 810, 500, and 450. 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: 30 x Silicone Steam Ring 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 Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.