Graycano Filter Block - Paper Coffee Filter HolderCreated by the designers behind the Graycano dripper. The GCC FilterBlock is crafted from a solid block of concrete with a cork base and is designed to hold your coffee filter papers while sitting comfortably on any surface without leaving scratches Each Filterblock has a different and unique surface: through the handmade process, the concrete can form air bubbles, show a lighter or darker grey colour and be rougher or smoother to the touch. These