Superior Signal, with more than 40 years of supplying smoke for realistic drills, offers disposable SMOKE GENERATORS and dependable SMOKE MACHINES. Inexpensive disposable smoke items produce 40,000 cubic feet of dense smoke in three minutes. Smoke can been seen for miles and is great for outdoor disaster simulation. The ST-10 SMOKE MACHINE produces 4,800 cubic feet a minute of nonirritating smoke and is surprisingly affordable. Its auto timer ensures the right amount of smoke when you need it.