Excellent for most ventilating needs, especially confined space. Designed with tough ABS housing, metal safeguards and a steel fan for durability. Two 8" ports offer positive ventilation or fume extraction, and the metal base with feel offers greater stability. The electric motor is cage-enclosed for protection. Comes with an on/off switch and built-in carry handle for increased portability. Works great with generators. Weighs 35 lbs. Free air output: 1277 cfm.