Allegro Manhole Ventilation Passthru features a low-density polyethylene construction and has a low-profile design. Passthru with 90 deg elbow, manhole air vent can be stored easily and the manhole cover suits into a flat channel corner for stabilization.

Allegro 8" X 20" Polyester Vinyl Manhole Ventilation Passthru

SKU: 9510-50
$199.00Price
  • Allegro 8" X 20" Polyester Vinyl Manhole Ventilation Passthru