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Allegro® Manhole Ventilation Passthru

Starting at $199.00
Supplied in: Each
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Quick Overview

Manhole ventilation helps improve workplace safety in confined spaces

Product Details

  • Manhole system features low profile (24"x24") to re-direct and maintain air flow into sewers, manholes, and tanks with minimum restriction
  • First manhole system to combine a low profile manhole air vent and 90° elbow with built-in mounting for an all-in-one unit
  • Collapsible duct provided with storage bag that can be dropped into a manhole by means of quick-release draw string
  • Manhole ventilation system constructed from low density, high impact polyethylene that effectively withstands extreme temperatures and heavy use


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