Air filter and cooling unit with an air filter

The invention relates to a refrigeration apparatus (1) comprising a heat insulating housing (2), the interior (8) is accessible through an openable and closing door (10), at least one flow path (A, B, C, D) for supplying arranged air into the interior (8), a blower (13) for generating an air flow along the flow path (a, B, C, D), and an air filter (28) in the flow path (a, B, C, D) is. An air filter (28) for a refrigerator (1) to provide, having a sufficient filtering effect with little obstruction to air flow in the refrigeration apparatus (1), it is suggested that the air filter (28) (in the flow path A, B, C, D) (over only part of its flow cross-section 23). The invention also relates to a tablet as a filter (28a) designed air filter (28).