Every fire fighter and fire technician needs a good fire extinguisher in his fire fighting equipment kit. Fire extinguishers are designed to smother and extinguish fire quickly and easily in a safe manner. Although fire extinguishers can be used for a number of reasons (including rescuing lives), most fire fighters view them as a necessary part of their overall fire fighting equipment. Whether you’re buying your first fire extinguisher or upgrading an old one, there are a few things you should look for to ensure it is doing its job properly. Here are the five most important features to look for in your fire extinguisher.