Back Draft Dampers & Grilles

Duct fan accessories to keep your exhaust or supply system working efficiently. Choose from dampers or grilles.

• Galvanized steel with spring tension.

Adjustable Plastic Grilles for Dampers:
• For exhaust or supply.
• Available in white only.

Greenhouse Fans & Cooling - Fan Accessories - Back Draft Dampers & Grilles
Item # Description Price  
CF4000 Back Draft Damper 4" $21.03 /EA More Info
CF4002 Back Draft Damper 6" $28.07 /EA More Info
CF4004 Back Draft Damper 8" $42.08 /EA More Info
CF4006 Back Draft Damper 10" $47.91 /EA More Info
CF4010 Back Draft Grille 4" $17.11 /EA More Info
CF4012 Back Draft Grille 6" $20.82 /EA More Info