Description
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.
Features
Made from vinyl and polyester
Product Attributes
Size Description
» 8" X 20"
Product Type
» Ventilation Passthru
Material
» Polyester, Vinyl