Product: Ideal-Air HGC736988 Damper, 12-inch Diameter, Made Gauge Galvanized Steel with Heavy-Duty Springs Prevents Back Drafts, Silver
Brand: Ideal-Air
Color: Silver
Ideal-Air Back Draft Dampers are made from heavy-gauge galvanized steel with heavy-duty springs
Their unique construction uses both an embossed bead and a rubber gasket to help keep ducting securely in place
Prevents back draft when fans are off
This Ideal-Air Back Draft Damper has a 12-inch diameter
The damper measures 12. 5“ x 12. 4“ x 5. 3“

Search query: 3 inch backdraft damper
Relevance: Substitute