Photo 1 of *ONCE TURNED ON THERE IS KNOCKING SOUND** Humhold 12000 BTU Portable Air Conditioners with Remote Control, 3-in-1 Free Standing Cooling AC Unit with Fan & Dehumidifier, Cools Room up to 500 sq...

Double tap image to zoom

Photo 1 of *ONCE TURNED ON THERE IS KNOCKING SOUND** Humhold 12000 BTU Portable Air Conditioners with Remote Control, 3-in-1 Free Standing Cooling AC Unit with Fan & Dehumidifier, Cools Room up to 500 sq... Photo 2 of *ONCE TURNED ON THERE IS KNOCKING SOUND** Humhold 12000 BTU Portable Air Conditioners with Remote Control, 3-in-1 Free Standing Cooling AC Unit with Fan & Dehumidifier, Cools Room up to 500 sq... Photo 3 of *ONCE TURNED ON THERE IS KNOCKING SOUND** Humhold 12000 BTU Portable Air Conditioners with Remote Control, 3-in-1 Free Standing Cooling AC Unit with Fan & Dehumidifier, Cools Room up to 500 sq... Photo 4 of *ONCE TURNED ON THERE IS KNOCKING SOUND** Humhold 12000 BTU Portable Air Conditioners with Remote Control, 3-in-1 Free Standing Cooling AC Unit with Fan & Dehumidifier, Cools Room up to 500 sq...