Higher heat and pressure resistance, high/low temperature resistance +200/-60, extremely smooth surface inside the milk tube prevents adhesion, such as greasy milk residue, keeps the flow stable and easy to clean. Due to the optimal milk flow through the hose material, beautiful milk foam can be produced. 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: 220mm Colour:Photo Color Material:Stainless steel Package Contents: 1 set of Automatic coffee machine milk replacement hose Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.