Cylinders for storage of high pressure compressed gases are subjected to a strict discipline to ensure safety. For this reason, containers shall be periodically inspected and tested by authorized and certified bodies. The reference standard, UNI 11280:2012, prescribes activities that shall be carried out to ensure safe use and maintenance of the extinguishing system. Sicurex is able to provide a complete service of cylinder testing and refilling which includes, besides ordinary testing, inspection and refilling activities, the possibility to rent cylinders for temporary replacement and/or to replace them definitively. This service allow the extinguishing system to guarantee a continuous and reliable fire protection.