WET CHEMICAL FIRE EXTINGUISHER - 3 LITRECommanderEDGE 3ltr Wet Chemical PFAS Free Fire Extinguisher Product Code: FX WCH 003 This type of fire extinguisher works by creating a layer of foam on the burning oil or fat, stopping the supply of oxygen so the fire isnt fuelled any further. The CommanderEDGE range of Wet Chemical fire extinguishers benefit from the following: Kitemarked to BS EN3 PFAS free New bell bottom hose allows for more effective extinguishing Corrosion resistant cylinders