Product Description: Heng's 74111AC1G1 Standard Mount Metal Base Vent, Galvanized Base, Smoke Lid, Manual Self-centering metal base with radius corners. Interior garnish with wider 1-1/4" flange and radius corners.
- Universal - fits all rough openings
- Flange covers all screw holes
- One piece metal frame, deep drawn metal base
- Covers all interior stains left by previous garnishes
- Positive-seal weather stripping and water tight
- Interchangeable with existing Elixir and Ventline products