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" $19.84 /EA More Info
CF4002 Back Draft Damper 6" $26.48 /EA More Info
CF4004 Back Draft Damper 8" $39.70 /EA More Info
CF4006 Back Draft Damper 10" $45.20 /EA More Info
CF4010 Back Draft Grille 4" $16.14 /EA More Info
CF4012 Back Draft Grille 6" $19.64 /EA More Info