Air filter unit and service line enclosure for a refrigerator

An assembly for installation in a refrigerator having a plurality of interior walls defining a refrigerator interior, the assembly comprising:

• an enclosure having an interior and extending longitudinally between a first end and a second end, a service line opening in the enclosure, the interior of the enclosure including a passageway for conducting at least one refrigerator service line between the service line opening and the interior of the enclosure, the enclosure being adapted to be mounted to one of the interior walls of the refrigerator;
• an air filter housing mounted to the enclosure, the air filter housing having a first opening for the ingress of air into the air filter housing and a second opening for the discharge of air from the air filter housing;
• an air filter located in the air filter housing for filtering air entering the air filter housing;
• and
• an air flow path adapted to convey to the refrigerator interior air discharged from the second opening in the air filter housing.