Famous for their flexibility and high efficacy, play a crucial role in ensuring fire safety. These extinguishers utilise a foam-based extinguishing substance, usually identified as aqueous film forming foam (AFFF), for fighting fires, making them especially effective against Class A and B fires involving flammable liquids and solids. https://www.thesafetycentre.co.uk/fire-products/fire-extinguishers-and-fire-blankets/foam-fire-extinguishers-thomas-glover