controlled environment laboratory apparatus; namely, biological incubators; gas concentration assessment and regulation devices for use in controlled-environment chambers; filtered air supply apparatus for laboratory incubation chambers and for independent use to prevent contamination of materials by airborne particulate matter; and electronic and gas controllers for controlled environment apparatus
controlled environment laboratory apparatus; namely, biological incubators; gas concentration assessment and regulation devices for use in controlled-environment chambers; filtered air supply apparatus for laboratory incubation chambers and for independent use to prevent contamination of materials by airborne particulate matter; and electronic and gas controllers for controlled environment apparatus