Ramfan Manhole Entry Continuous Airflow Device allows workers to enter and exit small man-size opening while maintaining continuous ventilation. Without such a device, duct fills the manhole opening, preventing rapid entry and exit.
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Quick to assemble – swiveling elbow makes duct alignment easy
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Corrosion-proof, UV-resistant, chemical resistant, dent-resistant and virtually indestructible – easily handles the bumps and falls of any job site
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Includes swiveling elbow, universal mount, and narrow entryway airflow device.
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Blower and ducting sold separately.










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