Product brochure for LabGard ES (Energy Saver) CYTO Class II, Type A2 Biosafety Cabinet model NU-581 featuring a three tired filtration system for use with Cytotoxics, Hazardous Drugs, as well as API Powders. Model NU-581 is NSF/ANSI 49 and EN12469 listed and DIN 12980 compliant.