Laundry appliance filter with biasing elements

A laundry appliance, comprising:

• a cabinet defining an interior volume;
• a tub mounted within the interior volume of the cabinet;
• a laundry basket rotatably mounted within the tub, the laundry basket defining a chamber for receipt of articles for treatment;
• a heating system in thermal communication with the chamber whereby heated air flows from the heating system to the chamber;
• an air filter assembly positioned between the laundry basket and the heating system upstream of the heating system, whereby a flow of return air from the chamber passes through and is filtered by an air filter of the air filter assembly before flowing to the heating system, the air filter assembly comprising a shell, a sealing member on a face of the shell, and a biasing element configured to bias the shell into sealing engagement with a housing of the laundry appliance, the biasing element oriented opposite the sealing member on the face of the shell, wherein the air filter assembly is removably positioned in the housing, wherein the housing comprises a guide rail, wherein the air filter assembly is configured to translate in a travel direction along the guide rail between an inserted position in the housing and an extracted position at least partially outside of the housing, and wherein the guide rail is configured to engage the biasing element;
• and
• a guide channel in the shell, the biasing element positioned in the guide channel, wherein the guide rail of the housing is aligned with the guide channel in the shell of the air filter assembly when the air filter assembly is in the inserted position.