Add to the drama of your Homecoming dance or Prom night with this Fog and Smoke Machine. The professional quality, electric special effects machine generates 1800 cubic feet of fog/smoke per minute. One quart lasts approximately 3-4 hours, giving your students plenty of time to enjoy the special effects. The black machine measures 12 in. long x 5 1/2 in. high (8 in. with handle) x 6 1/2 in. wide. UL listed.