Brewki - DKINZ - Revolutionary Deluxe Cold Brew Coffee System - Japanese/Dutch Style - Slow Ice Drip Method DKINZ IZAC 700 has a Stylish modern design that looks great in any modern kitchen. Consistent drip rate that allows you to avoid fussing with the valve during extraction. The coffees consistency is amazing. This is probably because its so easy to dial in extraction time. The pitcher is made from borosilicate glass so its strong and shatter resistant. Designed with precision in mind. The patented water chamber maintains constant drip rate without electricity.