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Finding duct leaks, Using a smoke puffer, Using theatrical smoke – Retrotec Commercial 441 and 451 DucTester User Manual

Page 29: Using an infrared camera, Using a wet hand

Finding duct leaks, Using a smoke puffer, Using theatrical smoke | Using an infrared camera, Using a wet hand | Retrotec Commercial 441 and 451 DucTester User Manual | Page 29 / 56 Finding duct leaks, Using a smoke puffer, Using theatrical smoke | Using an infrared camera, Using a wet hand | Retrotec Commercial 441 and 451 DucTester User Manual | Page 29 / 56