Model RS circular vent

Model RS circular gravity vent

Model RS circular gravity vents are an economical solution for roof ventilation. They are designed for general use on industrial, commercial, public, and government buildings. The model RS conforms to the Army Corps of Engineers Bulletin CE 220.09 for gravity ventilators. They can withstand winds up to 85 miles per hour, and are weatherproof and storm proof under all normal operating conditions.

Standard Features
  • Material:
    • Galvanized iron conforming to Specification QQ-1-716
    • Aluminum alloy sheets meeting #QQA359
  • Bird Screen


Optional Features
  • Bases:
    • Square
    • Round
  • Fusible Links
  • Duct Fan

Product Catalog

Download brochure

Additional Downloads

Product Testing and Certification
  • Airflow Performance Modeled
Product Mounting
The Model RS circular vent is designed for mounting on either a square or round base.