Air filter apparatuses and related methods

An air filter apparatus, comprising:

• an air filter comprising a filtering medium at least partially housed within a housing;
• a cover coupled with the air filter;
• and
• a disposal bag in a fully collapsed configuration situated at least partially between the cover and the air filter;
• wherein the cover is configured to be manually opened to expose the disposal bag and to allow expansion of the disposal bag to an expanded configuration;
• wherein the disposal bag in the expanded configuration is sized to fully receive the air filter and to be secured closed with the air filter therein;
• wherein the cover comprises a bag holder not integrally formed with the housing but attached to the housing, the bag holder at least partially surrounding the disposal bag when in a closed configuration;
• and
• wherein the bag holder comprises one or more flaps that are secured closed using one of an adhesive and one or more staples, the one or more flaps being manually openable, the one or more flaps configured to retain the disposal bag in the fully collapsed configuration when secured closed.

An air filter apparatus, comprising:

• an air filter comprising a filtering medium at least partially housed within a housing;
• a cover coupled with the air filter;
• and
• a disposal bag in a fully collapsed configuration situated at least partially between the cover and the air filter;
• wherein the cover is configured to be manually opened to expose the disposal bag and to allow expansion of the disposal bag to an expanded configuration;
• wherein the disposal bag in the expanded configuration is sized to fully receive the air filter and to be secured closed with the air filter therein;
• and
• wherein the cover comprises a pull strip configured to expose the disposal bag.