Product Information Experience specialty coffee at its finest with the Hill Coffee Server - where science meets artistry. This precision-engineered coffee server features an innovative hill-shape design that creates optimal extraction turbulence, while its professional-grade construction ensures flawless performance brew after brew. Material: Lab-grade borosilicate glass, designed to withstand thermal shock from -20℃ to 120℃, offering crystal-clear clarity for precise extraction monitoring. Design: Hill-shape design for enhanced extraction, a 45° precision spout for drip-free pouring, and an ergonomic handle designed to reduce barista fatigue. Functionality: The unique shape of the inner wall accelerates liquid-air contact, evenly releasing the coffee's regional flavors while promoting cooling, preventing over-extraction, and enhancing the balance of acidity, sweetness, and aromatic layers.