The Concept Colt 4 Twin Turbo is the newest variant of our best selling Colt 4. The Twin Turbo has twice the output of that of a standard Colt 4 Turbo. It incorporates a slightly larger, twin helix, precision machined heat exchanger block.

• The most powerful hand-held smoke machine on the market today
• Twin Helix, precision machined heat exchanger, guaranteed for life!
• Manufactured by Concept in the UK under ISO 9001
• Compact size, robust construction, splash proof switches/indicators
• Designed for Fire Training, Leak Testing, Air Flow Visualisation, Spray Booth Clearance tests
• Extremely Persistent Smoke with a particle size 0.2 micron mmd