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![Retrotec 450 series DucTester](https://images.findtheneedle.co.uk/findtheneedle/products/4753190.jpg)
The small yet high power positive and negative duct leakage testers that can test systems to pressures beyond 5kPa. Available in 110V & 230V versions with DM32-20 gauges with or without Wi-Fi capabilities.
For more information on Retrotec 450 series DucTester talk to BSRIA Instrument Solutions
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