Allegro Low Pressure Supplied Air System is made of silicone rubber and allows the constant airflow to the facepiece from an external air source. System includes a 50' hose and is ideal for Non-IDLH environments. It features an easy-to-use fresh air respirator and is light in weight that makes them portable. It has a low-pressure ambient air pump that provides the continuous flow that offers a unique over-the-shoulder hose design. It offers a double seal flange as well as a unique hairnet strap for added comfort. It operates at the pressure ranging between 2 - 12 psig and comes with a OBAC quick-connect couplers. It requires a full mask air peel-away lens covers that are used to protect your lens from chemicals as well as paint spray. It is available in 1-worker, 2-worker systems and requires an input power of 5.5A. It meets the requirements of NIOSH standards.