Specification: Item Type: Backflush Cleaning Disc Inner Diameter: Approx. 58mm / 2.3in Material: Stainless steel Weight: Approx. 23g / 0.8oz Package List:1 x Backflush Cleaning Disc [Stainless Steel Material] Made of high quality stainless steel, which is durable, wear resistant, not easy to rust, and can be used for a long time. [Simple To Use] Backflush disk is easy to clean and easy to install, it is a perfect accessory for coffee machine. [Used With Cleaning Tablet] This backflush cleaning disc can be used with cleaning tablets to meet your various needs. [Remove The Coffee Residue] Backflush coffee machine helps to remove the coffee residue that has accumulated inside the coffee machine head. [Application] Suitable for semi automatic coffee machines, the inner diameter size is 58mm, so you can use it with confidence.