Porta stream II & III are primary devices that deliver 15 minutes of uninterrupted, hands-free flushing and the benefit of portability – no costly plumbing required. Its simplicity of installation and operation make these self-contained units suitable for placement near most workplace hazards. Both models feature a patented nozzle strap that is easily removed to activate flushing, leaving hands free to hold eyelids open. Nozzles cover a wide area around the eyes. A large fill hole simplifies cleaning and refilling and a lockable fill cap reduces risk of possible tampering. Porta stream III is freeze protected by a special form fitted insulated cover and Twin 600 watt, 110 V thermostatically controlled heaters for indoor or outdoor use. The fluid heating system makes it suitable for use between -32? and 72?f (-36? to 22?c). portable units may be mounted on a table or cart. Its highly visible Green color makes it easy to identify in an emergency situation.