LabGard(R) NU-425 is the best-selling Class II, Type A2 biological safety cabinet in the world offering Personnel, Product, and Environmental Protection. It is manufactured as a monolithic shell eliminating leaks ensuring a long product life. Cabinet basic controls includes a mini-helic gauge, motor voltage regulator, audible window alarm, main and outlet power circuit breaks, and power switches for exterior mounted fluorescent lights and/or ultraviolet lights, interior outlets, and blower motor. The ergonomic design provides a wide range of motion within the work zone, increased vision, comfortable leg room, proper posture, reduced fatigue, and easily accessible controls. The HEPEX Zero Leak Airflow system ensures true laminar airflow throughout the work zone.