• For inspection and maintenance of circular ventilation ducts
  • Galvanized steel
  • Rubber gasket
  • Airtight sealing on the inner part of the sandwich door
  • Conical spring design which enables the two piece door to perform as a single unit
  • Template for cutting included
  • Easily accessible inspection hatch for cleaning the ducts, etc.
  • Available in different sizes (diameter) — 8″, 14″

Product Specification Sheet