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, such as greasy milk residue, ensuring stable flow and easy cleaning. Optimal milk flow through the hose material allows for beautiful milk foam production. 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 Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowance is +/- 1-3 cm. Only the above package content is included; other products are not included.