Features:1. Back Flushing Made Easy – This 58mm blind filter is designed for back flushing on espresso machines with a pressure release system. It replaces the standard filter basket and fits directly into your group handle.2. Deep Cleaning Support – Helps remove built-up coffee residue inside the group head, keeping your machine performing well and your coffee tasting fresh.3. Compatible with Cleaning Tablets – Use together with espresso machine cleaning tablets for thorough maintenance.4. Durable Metal Build – Made from sturdy metal, this mini blind filter is built to withstand regular use.5. Compact Size – With a diameter of about 5.8 cm (2.28 inches), it is compatible with most espresso machines and easy to store.Product Details:This blind filter is used for back flushing semi-automatic espresso machines that have a pressure release function. Simply place it into the group handle instead of your usual filter. It helps remove coffee oils and residue that accumulate in the group head, which maintains machine performance and coffee flavor. You can pair it with cleaning tablets for a more complete cleaning routine. Made from durable metal, it is small, sturdy, and designed for long-term use.Specifications:- Type: Blind Filter- Material: Metal- Size: Approx. 5.8 cm / 2.28 inches in diameter- Features: Mini design, durable, for espresso machine maintenance- Package Includes: 1 x Blind Filter