Removable internal air diffuser

A vacuum cleaner capable of operation in a blower mode and a vacuum cleaner mode, comprising:

• a housing defining a first port for output airflow during operation in the blower mode and a second port for discharge airflow during operation in the vacuum cleaner mode;
• and,
• a diffuser cap removably engaged with the first port during operation in the vacuum cleaner mode, the diffuser cap comprising:
• a cap to close the first port such that the discharge airflow is directed via a flow path to the second port;
• and,
• diffuser material secured to the cap and disposed within the flow path to reduce noise effected by the discharge airflow;
• wherein the diffuser cap is removed from the first port during operation in the blower mode.

A vacuum cleaner, comprising:

• a housing defining a blower port, an exhaust port, and a flow path between the blower port and the exhaust port;
• and,
• a removable cap assembly for the blower port to direct discharge airflow via the flow path to the exhaust port, the removable cap assembly comprising:
• a cap head that engages the blower port to close the blower port;
• a cap body coupled to the cap head and inserted in the flow path, the cap body comprising a frame through which the discharge airflow passes;
• and,
• a sound-influencing material supported by the frame within the flow path to reduce noise effected by the discharge airflow.