Soft smooth inner wall prevents residues buildup, ensuring stable milk Flows and easy cleaning while creating perfect microfoam for cappuccinos and lattes Semi Transparency construction allows quick dirt detection, ideal for commercial environments with strict hygiene standards; recommended replacement every 3 months Works with Impressa / Ena series and other espresso machines or Easy Fine Foam Cappuccino nozzles for versatile use Use premium food grade silicone, this milk tube hose is talc freely, semi Transparency, and safe for food, featuring excellent heat and pressure resistance for great Optimizes milk texture for beverages, suitable for both high frequency cafe use and home baristas making espresso based drinks