Glass support to place the coffee filter, by Trendglas. To convert the For Two Teapot and Carafe, the 400 and 600cc Office Cup, and the Pretty Tea Kettle into coffee pots using the Bamboo Pour Over Adapter. This conical-shaped support is designed to obtain coffee in a professional way: it has 3 openings made with laser technology (the laser makes a clean cut, without burrs that can cut or damage the paper filter), so the paper filter is kept firm and intact during filtering and the lower part of the support with a rounded shape, allows the optimal flow of coffee. The support for coffee filters is made of glass, the safest material that exists for use in food. It is completely non-toxic and therefore one of the materials of choice for people with allergy problems. This glass is made of borosilicate: very resistant to heat and thermal shock, withstanding temperatures between -31 ºC and 450 ºC. It even supports direct heating on a gas or ceramic hob and in the microwave (not suitable for induction). Support with openings made with laser technology. Diameter: 10cm. Made of borosilicate glass. Fits: For Two Teapot or Pitcher, 400 or 600cc Office Cup, or Pretty Tea. They all need the Pour Over adapter to turn them into coffee makers. Dishwasher safe. Measurements (height / diameter) 8 x 10 cm Attach the Pour Over holder and adapter to the For Two Teapot or Carafe, the 400 or 600cc Office Cup, or the Pretty Tea. Next, put a paper filter for coffee machines and on it, the ground coffee. Pour hot water on top. Let the coffee go down. For more detail see the Recipe for filtered coffee.