TB36W Tuberculosis Air Sterilizer - The TB Series of fixtures is designed to reduce upper air contamination rooms and it is fitted with adjustable louvers to direct the UV light upward and away from room occupants. This unit is popular for controlling tuberculosis but it is also suitable for addressing airborne viruses, miroorganisms and mold spores. The housing is 304 stainless with an alzak aluminum reflector and 3 models are available. Units are fitted with 1 lamp and the lamp provided is a hardglass, slimline quartz lamp that is rated for 10,000 hours. Units are provided with a power cord and pull-chain switch. Please note the size options along with the respective square footage each option will cover: 18.5"; covers 75 Sq Ft, 27.75"; covers 200 Sq Ft and 37.5" covers 300 Sq Ft. Units are available with 3 electrical options: 120-V/60, 220-V/60 and 277-V/50. Units are meant to run continuously and this fixture is ideal for TB wards but can also be used in patient waiting areas associated with TB cases and related applications.