Price / piece.
Blind filters are used to wash the head of the group.
A stainless steel blind filter is always the best option, as it fits tightly into the filter holder and withstands high pressure, thus cleaning the assembly perfectly, allowing pressure to be released through the expansion valve and not through the filter holder holes.
It is recommended to add a tablespoon of powder detergent (DUSTY or PULY CAFF) to the sieve in order to decompose the coffee oils.
These products are important for any bartender and any cafe because of their functionality.