Search query: 3 inch backdraft damper

Product: Wall cap fits 3” or 4” round duct includes 3” to 4” round transition included for versatility
Brand: NuTone
Color: Black & Silver
Relevance: Complement
Model number: 885BL
Country of Origin: United States
No batteries required
Brand name: Nutone

Product: Imperial Mfg Group Usa Imperial Manufacturing Damper 3" Dia. Cast Iron, 1
Brand: Imperial Mfg Group Usa
Color: Black
Relevance: Exact
Imperial Mfg Group Usa
BM0241
Imperial Manufacturing Damper 3 " Dia. Cast Iron
NEW
0.31

Product: Butterfly Backdraft Damper(12 Inch) (BD 12)
Brand: HVAC Express
Relevance: Substitute
Backdraft damper with lightweight blades and foam closure to eliminate noise and increase efficiency. Proven design to protect against backdraft in your appliance venting Easy to install, heavy duty 26 gauge galvanized metal Foamed shutter system for quiet closure Vertical or horizontal mounting, with one end crimped Dampers are available in sizes 3" up to 24" ducting. Specifications Sheet - Butterfly Backdraft Damper
Backdraft damper with lightweight blades and foam closure shutter for quiet closure
Proven design to protect against backdraft in your appliance venting
Vertical or horizontal mounting, with one end crimped
Heavy-duty 26 gauge galvanized metal
Made in the USA