Fire extinguisher older models also achieved class B and C fire-fighting capability in the past, current models are rated A:K (Amerex, Ansul, Buckeye and Strike First) or K only (Badger/Kidde). Clean agents extinguish fire by displacing oxygen (CO or inert gases), removing heat from the combustion zone (Halotron-1, FE-36, Novec 1230) or inhibiting the chemical chain reaction (Halons). They are referred to as clean agents because they do not leave any residue after discharge which is ideal for protecting sensitive electronics, aircraft, armored vehicles and archival storage, museums, and valuable documents. Halon was completely banned in Europe and Australia except for critical
Cutting extinguisher the Netherlands, Germany, Australia, Taiwan, Singapore, Hong Kong, People's Republic of China, Japan, Malaysia and Switzerland. . Water is supplied to the Cobra at about 300 bar and a flow rate of up to 60 litres / minute through a lightweight hose that with extensions can be up to 300 meters long. With 350 litres of water carried on-board this allows several minutes active use, even without connection to a fire hydrant. It can cut through 15 cm of concrete in 75 seconds and 10mm steel in 60 seconds. With the coldcut Cobra cutting extinguisher a fire fighter can attack