ntroducing the Dual-Wall Glass Server – Elevate Your Brewing Experience Indulge in the art of coffee brewing with the elegantly crafted dual-wall glass server. Designed specifically for use with the FLO dripper, this 0.4L clear glass server offers a seamless blend of beauty and function. Each piece is meticulously hand-blown, showcasing your brew while maintaining the ideal temperature with its dual-wall insulation.