For roof vents with a Pre-Installed metal base for the Metal Roofing Industry
The RVA is made of EPDM rubber for maximum resistance to weathering due to zone and ultraviolet light.
The RVA opening is 11-3/4ï¾” X 11-3/4ï¾” (298 X 298mm) with the base mea
US Patent #10,161,135,B2
Applications: Turbine Vents Roof Exhaust Fans ユ Metal Roof Vents ユ Roof Caps ユ Goose Neck Air Vent
Specifically Designed for Roof Vents with a Pre-Installed Metal Base
Opening: 11-3/4ï¾” X 11-3/4ï¾” (298 X 298mm)
Overall he