1.[SEALED EXTRACTION REDUCES FLAVOR LOSS] The iced coffee maker fully adopts the closed extraction technology,and is equipped with a PC lock aroma cover and a high borosilicate glass cover, which can greatly reduce the loss of flavor. Our cold brew coffee maker keeps the fruity and sweet taste of coffee and reduces the acidity, so you can enjoy a refreshing and delicious coffee. 2.[PRECISION STAINLESS STEEL FILTER] The cold brew coffee maker uses a precision stainless steel filter, which can filter most of the coffee grounds tightly. The filter screen of the iced coffee maker adopts an embedded design, which can prevent the loss of flavor while filtering the coffee. We will also give you 100 pieces of filter paper for precision filtration. You can enjoy coffee without coffee grounds with peace of mind. 3.[ADJUSTABLE DROP RATE] The drip coffee maker is equipped with an adjustable drip valve, which allows you to ly adjust the drip speed of the water droplets, thereby adjusting the time taken for the entire extraction process. Under normal circumstances, it is enough to adjust the water droplets to drop slowly and evenly. The next thing is left to time, and you will be able to get a refreshing cup of coffee. 4.[HIGH BOROSILICATE GLASS MATERIAL] The ice drip coffee maker at the bottom of the ice extraction pot is made of high borosilicate glass, which is resistant to cold and heat and is not easy to burst. The high borosilicate glass bottom pot can perfectly fit the filter to prevent the loss of flavor. The jug body is equipped with a sharp spout, which is convenient for you to pour the extracted coffee into other cups or milk.