The invention pertains to a cassette (2) comprising a product conveying path (1 1a 1b) and a shut off device (19a 19b) integrated into the cassette for interrupting a product flow. The shut off device is arranged at a rim of the cassette such that the shut off device (19a 19b) can be directly operated manually and/or mechanically. The product conveying path (1 1a 1b) leads through the shut off device (19a 19b). The cassette consists of a lower part (5) and an upper part (7) which are connectable to each other by connecting means (9 11 13 15).
