Eco foam permanent pressure extinguisher, capacity 9 l, fire classes A+B. Supplied = assembled. Model = constant pressure foam extinguishers. Contents = 9 l. Fire class = A, B. Application = inside. Diameter = 190 mm. Height = 522 mm. Width = 300 mm. Depth = 205 mm. Spray width approx. = 4 m. Spray time approx. = 55 sec. Extinguishing agent = bio-foam. Activation = hand lever. Product type = fire extinguishers. Hand lever trigger that is easy to operate - for carrying and spraying at the same time. With pressure gauge - enables ongoing visual checks of the pressure. Eco foam is 99% biodegradable. With wall bracket as a standard feature. Excellent extinguishing capacity for fire protection classes A+B. Permanent pressure foam extinguishers with a hand lever fitting and pressure gauge. Due to their design, the devices are ready for use immediately after pulling the safety pin. Practical and inexpensive standard class device. Extinguishing agent container made of quality steel. Hose line resistant to ageing. Suitable for electrical systems up to 1000 V at a distance of 1 m. Unlike cartridge operated fire extinguishers with an internal propellant cartridge, the container of this type of device is kept under constant pressure. Fire class A: fires involving solid materials, mainly of organic origin, which normally burn and form embers (e.g. wood, coal, paper, textiles, car tyres) Fire class B: fires involving liquid or liquidising substances (e.g. alcohol, petrol, greases, resins, plastics, paints, oils) Advantages of foam: - Suitable for fire classes A and B. - The foam can be directed straight at the source of the fire. There is less effect on surrounding area. Disadvantage of foam: The extinguishing capacity is lower compared to powder.