Controlled environment light fixture

A light fixture for a controlled environment ceiling;

• the light fixture comprising:
• an enclosure having a lens frame sealed to a housing;
• the housing having a mounting surface adapted to engage the ceiling when the light fixture is installed;
• the housing having a height above the mounting surface of no more than two inches;
• and
• an LED light source disposed within the enclosure.

A light fixture for a controlled environment ceiling;

• the light fixture comprising:
• an enclosure having a lens frame and a housing;
• the housing adapted to fit into one of a 1×2, 2×2, and 2×4 light opening defined by a 2.0″ T-bar grid ceiling;
• and
• an LED light source disposed within the enclosure.

A disinfecting light fixture for a controlled environment ceiling;

• the light fixture comprising:
• an enclosure having a lens frame sealed to a housing;
• the housing having a mounting surface adapted to engage the ceiling when the light fixture is installed;
• the housing having a height above the mounting surface of no more than two inches;
• and
• a disinfecting LED light source disposed within the enclosure.