BSI TESTED & UL TUBE - PRE-ENGINEERED IN-PANEL FIRE SUPPRESSION SYSTEMS - Ready to install out of the box. Ceasefire's Tube Based Fire Suppression System are specialised fire suppression systems made specifically for high-risk enclosed spaces. Being fully-automatic, the key advantage of the system is that it can fight fires which are hidden and occur in places which have a high probability of going unnoticed till they become uncontrollable. The most prominent feature of the system, also known as Ceasefire Quick Response System (CQRS) , is the specially designed heat-sensitive pneumatic polymer tubing. It is connected at one end to a Ceasefire extinguishing agent container, while the rest of it runs unobtrusively throughout the area at risk. When the flame comes in contact with the heat-sensitive tubing and reaches a temperature of 150 - 180C, the tubing bursts open at that exact spot and forms a miniature nozzle. The pneumatic mechanism triggers the valve of the extinguisher and sp