Famous for their flexibility and high efficacy, fulfill a vital function in maintaining fire safety. These devices employ a foam-based extinguishing agent, usually identified as aqueous film forming foam (AFFF), for fighting fires, rendering them particularly suitable for dealing with 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