Super fine filter, universal powder bowl for high pressure coffee machine, porous fine filter, make your coffee taste delicate. which will not rust and is durable, and the cup body is thick and durable. The combination of 2 styles, a more practical combination, enjoy the coffee moment with your friends. Use method: 1. Pour hot water into the cup, and do not exceed the relief valve. 2. Pour coffee powder (recommended fine grinding) into the powder cup. Use the chopsticks or beans spoon to smooth the powder. 3. Slightly filter the filter paper, affixed to the upper filter and screw up the upper seat. 4. Spin on the upper seat (to tighten the pressure will not leak out). Do not rotate the handle of the Mocha pot, then it is easy to spin. 5. Heating with a gas lamp or an alcohol stove. It is easy to make the base hot if you add hot water. 6. When coffee coming out, turn it into a small fire (don't let it rush out quickly). 7. Then slowly boil the coffee. Colour:Silver Material:stainless steel Size:51mm Package Contents: 2 x 2 Cup Filter Basket 2 x 4 Cup Filter Basket Maintenance: 1.Before first use, wash and dry the funnel with white vinegar and water. 2.When using, avoid collision with sharp objects, so as to avoid scratches. 3. After using, wash with a little neutral or alkaline detergent, dry with a soft cloth, keep dry and clean. 4.Avoid dry burning.