Allegro Industries 8 in. Manhole Ventilation Passthru


$275.95 each


8 in
  • Quantity

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Product Details

  • Low profile elbow minimizes space ducting would occupy at the entrance to a manhole allowing for easier access by entrants
  • Fits underneath the lower cross bar of the guardrail
  • Manhole cover fits into flat channeled corners for stabilization
  • Small storage bag holds ducting
  • Quick release draw string to drop ducting into manhole
  • Collapsible duct for easy entry springs back into shape once worker is down into the manhole
  • Combines three components, the low profile manhole air vent, 90° elbow and built in mounting all into one easy assembly
  • Combined components reduce overall size, storage and shipping cost



  • Color Finish
  • Color Finish Category
  • Diameter
    8 in
  • Material
  • Material Type
    Nylon, PVC, Polyester, Polypropylene
  • Size
    8 in