Extinguishers effortlessly roll on a well-balanced platform. Narrow width and semi-pneumatic, rubber-tire wheels roll through constricted aisles, doorways and other confined spaces. Chemical and pressure sealed for long-lasting results. Ready for immediate activation. Stamp out any A, B or C fire. Choose from a 50- (No. 153765) or 125-lb. (No. 153767) capacity.