Backflush insert for espresso machines Essential component Creates the pressure for effective machine maintenance during backflushing. Back flush blind filter seals the group head during washing cycles. Backflush disk design ensures full water coverage across internal components. Precision fit accessory Matches standard portafilter sizes for easy integration. Portafilter basket replacement maintains original equipment specifications. Extraction portafilter basket alternative designed specifically for washing purposes. Metal construction Stainless steel blind filter built to withstand daily backflushing routines. Helps to wash the coffee dregs accumulated in the coffee machine head. Metal blind filter provides lasting performance. Machine maintenance essential Portafilter insert basket simplifies routine equipment care. Works with most semiautomatic systems. Coffee machine blind filter is crucial for proper group head maintenance. Specifications and compatibility Material: stainless steel Compatibility: standard portafilter sizes; suitable for most semiautomatic systems Purpose: backflush insert filter and replacement portafilter basket designed for washing Use scenarios Daily maintenance in a busy cafe with semiautomatic espresso machines to keep the group head clean and functioning. After heavy use or when switching to oily coffees, performing a thorough backflush to remove oils and coffee dregs and restore flow. As a replacement basket for standard portafilters, maintaining original equipment specifications during routine servicing or washes.