Premium Schott DURAN Glass and Stainless Steel Construction 5 specialty tea settings designed to preserve each tea’s unique flavors and aromas Use the stainless steel tea steeper for brewing tea in the kettle or simply remove it to boil water for other uses Keep warm mode keeps water or tea warm at 158 F for up to 30 minutes This low temperature setting can also be used for delicate teas Built for speed it quietly boils water in minutes Premium Schott DURAN Glass and Stainless Steel Construction 5 specialty tea settings designed to preserve each tea’s unique flavors and aromas Use the stainless steel tea steeper for brewing tea in the kettle or simply remove it to boil water for other uses Keep warm mode keeps water or tea warm at 158 F for up to 30 minutes This low temperature setting can also be used for delicate teas Built for speed it quietly boils water in minutes