Full Description This Standard applies to Class II (laminar flow) biosafety cabinetry designed to minimize hazards inherent in work with agents assigned to Biosafety Levels 1, 2, 3, or 4. It also defines the tests that shall be passed by such cabinetry to meet this Standard. This Standard includes basic requirements for the design, construction, and performance of biosafety cabinets (BSCs) that are intended to provide personnel, product, and environmental protection; reliable operation; durability and structural stability; cleanability; limitations on noise level; illumination; vibration; and motor / blower performance.
NSF 49-2018 history
2024NSF 49-2018 Biosafety Cabinetry: Design, Construction, Performance, and Field Certification
2016NSF 49-2016 Biosafety Cabinetry: Design, Construction, Performance, and Field Certification
2014NSF 49-2014 Biosafety Cabinetry: Design, Construction, Performance, and Field Certification
2012NSF 49-2012 Biosafety Cabinetry: Design, Construction, Performance, and Field Certification
2010NSF 49-2010 Biosafety Cabinetry: Design, Construction, Performance, and Field Certification
2009NSF 49-2009 Biosafety Cabinetry: Design, Construction, Performance, and Field Certification
2008NSF 49-2008 Biosafety Cabinetry: Design, Construction, Performance, and Field Certification
2004NSF 49-2004 Class II (laminar flow) biosafety cabinetry (Printed 03/15/2004); Annex F: 02/2004