The Amerex Model 240 fire extinguisher utilizes the cooling, soaking and penetrating effect of a 45-55-foot stream of water. The 55-second discharge time makes it effective for inexperienced operators for use on a Class A fire. This fire extinguisher features: A 5-Year Manufacturer's Warranty when purchased from an authorized dealer. Stored Pressure Design Instruction label comes with a graphic that makes it easy to use UL rated for Class A fires