One of the most popular in Europe, the 6kg powder extinguisher is good for most situations outside of an office, hotel or premises with electronic equipment. Pound for pound, powder is the most effective fire-fighting medium but will be messy after stopping the fire. They require factory refilling and testing or service-exchange (see NOTE).
Suitable for workshops, industrial units, lorry trailers, campsites, building sites, boats, flammable liquids
Types of fire include Class A (wood, paper, cloth, etc), B (flamable liquids), C (gas - but never put out a gas fire if the gas cannot then be turned off) and safe around live electrical equipment
Anticipated lifespan with indoor use and proper maintenance - 10 years
NOTE - when a refill or test is due, at Fire Protection Online prices, it is cheaper to buy a new one