MASTER FLOW ® EMBERSHIELD ® CLOSEABLE SOFFIT VENT 16.5" x 9" (419 mm x 229 mm) • I ntelligent Design… The vent openings go from black to silver, identifying when the vents are fully closed. Vent Opened • E asy to Install… With just four screws (included). They can be installed in new construction or retrofit applications by removing existing soffit vents (up to 16” x 8” [406 mm x 203 mm]).
