Higher heat and pressure resistance, high and low temperature resistance from +200°C to -60°C. Extremely smooth interior surface of the milk tube prevents adhesion of residues such as fatty milk buildup, ensuring stable flow and easy cleaning. Optimal milk flow through the hose material allows for the production of high-quality milk foam. Product parameters: - Food grade silicone milk hose × 1 - 304 stainless steel milk tube × 1 - Cleaning brush × 1 Silicone tube: - Inner diameter: 6.3 mm - Outer diameter: 9.5 mm - Length: 220 mm - Color: As shown in photo - Material: Stainless steel Package Contents: 1 set of automatic coffee machine milk replacement hose. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3 cm.