Lalizas Fire Extinguisher Wheeled, PFOS/PFOA Free Foam, 50L, Stored Pressure w/ Hose, Horn & Nozzle, SOLAS/MED (EN)As with portable extinguishers, wheeled units also comply with high standards to ensure their extinguishing capability (fire rating) & reliability. Excellent quality assures the units long operational lifetime. The cylinder is made of stainless steel for extra corrosion protection and extended lifespan, and it is also equipped with a welded frame. Ease of mobility is achieved as a result of the large wheels with solid rubber tires and push bars also