Superior Signal Company Inc. has provided training smoke to the fire fighting industry for over 45 years! We know what you need in a smoke machine, and the ST- 10 is it! With a powerful 1500 watt heating core, and reliable high pressure piston pump, this machine delivers an impressive output of 4800cfm, at a price affordable for any department. The ST-10 will quickly fill your training area with dense, persistent, non-irritating smoke with excellent obscuring power.