This is a 5-cup stovetop coffee syphon, 22-ounce. For brewing and serving the perfect-cup of coffee. A wire grid is included for use on electric stoves, the grid is not required for gas stoves. Always use medium or medium high heat. Dishwasher and microwave safe. This is a great price for this style of coffee brewing.. Plus we always carry replacement parts. Directions for use; use a slightly finer grind of coffee. Drop the washable, reusable cloth covered filter into the infussion chamber with the chain hanging down into the glass syphon tube. Pull the chain down until you can hook it to the bottom of the siphon tube. Fill the bottom carafe to the 5 mark with hot water and place 5 measuring spoons of coffee in top chamber. This model works on gas and electric rangetops, and comes with a wire diffuser for use on electric coil burners. Use medium-high heat. It takes about 4 minutes to heat the water, all the water is siphoned to the top chamber and then allow 2 minutes to brew. Once you remove from the heat source, the coffee comes back down to the bottom carafe. Remove the top, placing it in its convertible lid/stand, and bring the pot to the table for serving.