Designed for quick, easy use, Scott’s ISCBA provides IDLH-level respiratory protection in non-fire related environments. The unit also accommodates a number of optional components that are easily interchangeable. ISCBA features include: simple single-stage pressure reducer; audible alarm; ergonomic backframe design; harness available in Kevlar® or nylon. Scott Health & Safety, www.scotthealthandsafety.com, (800) 247-7257