The operation of the “filter for infusions and decoctions with Neapolitan coffee pot” is simple, the herbs in tisane cut comes put in the small basket place to one extremity of the tubular filter: in order to obtain infusion, the entire filter in the kettle of the Neapolitan coffee pot so that the herbs remains up, that is not dipped in the water becomes part, door therefore to boiling, is removed from the fire, upsets the infuser/decocter and the water to boil will cover the herbs, it attends the time of infusion and servants pouring themselves with the jug of the Neapolitan coffee pot.
For a decoction the filter will come on the contrary positioned and that is so that the herbs remains dipped in the water during the boiling to slow fire for the wished time, therefore upsets in order to serve.