If you want to confirm whether the filter basket fits your portafilter or not, the best way is to measure the size of your filter basket directly. If the inner diameter is 58mm, it is just suitable of the product.If the difference of the outer diameters is not more than 1mm, the product can be used compatibly.
How to use the Blind Filter Basket?
1. Remove the Filter Basket, install the Backflush Blind Filter, pour in 5g cleaning powder, and twist the Portafilter into the espresso machine's brewing head. 2. Press the outlet button for 10 seconds and wait for 10 seconds. Then repeat the actions 3 times. 3. Unload the Portafilter, pour out the remaining powder, twist the Portafilter into the brewing head again and repeat step "2" to complete the cleaning. 4. Remember to discard the first cup of coffee after cleaning to ensure that there is no powder left and resolved in the product. 5. Clean the product following the steps above once a day, which will prolong the life of product.