20X20 Backdraft Damper
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Mfr # 411020
Key Features:
- Item: Auto Exhaust Damper
- Package Quantity: 1
Mfr # 3HHL5
Key Features:
- Item: 15.8"H-W 4.5"L Alu Spring Bkdrft Dampr
- Type: No Flange, Horizontal or Vertical Mount
- Damper Size (In.): 15-3/4 x 15-3/4
Mfr # 3HHL4
Key Features:
- Item: 7.75"H-W 4.5"L Aluminum Backdraft Damper
- Type: No Flange, Horizontal or Vertical Mount
- Damper Size (In.): 7-3/4 x 7-3/4
Mfr # 3HHL6
Key Features:
- Item: 19.8"H-W 4.5"L Alu Spring Bkdrft Dampr
- Type: No Flange, Horizontal or Vertical Mount
- Damper Size (In.): 19-3/4 x 19-3/4
Mfr # CAR150
Key Features:
- Item: 6"dia Aluminum Backdraft Damper
- Overall Height: 3 1/2 in
- Closure Type: Spring
Mfr # CAR100
Key Features:
- Item: Steel Backdraft Damper
- Accessory Type: Steel Backdraft Damper,4"
- Package Quantity: 1
Mfr # HIDAMP20
Key Features:
- Item: 20 Inch Backdraft Damper
- Construction Material: Steel
- Includes: Automatic Gravity Shutter
Mfr # 3HHP5
Key Features:
- Item: 17"H-W 6"L Aluminum Backdraft Damper
- Shutter Mounting Position: Vertical
- Shutter Mounting Location: Wall
Mfr # CAR200
Key Features:
- Item: Steel Backdraft Damper
- Accessory Type: Steel Backdraft Damper,8"
- Package Quantity: 1
Mfr # MCA-100
Key Features:
- Item: Inline Backdraft Damper,4"
- Accessory Type: Inline Backdraft Damper,4"
- Package Quantity: 1
Mfr # 2FTW6
Key Features:
- Item: 27"H-W 5.75"L Alu Wall Exhaust Shutter
- Shutter Mounting Position: Vertical
- Shutter Mounting Location: Wall
Mfr # 3HHN1
Key Features:
- Item: 35.75"H-W 4.5"L Aluminum Backdraft Dampr
- Type: No Flange, Horizontal Mount
- Damper Size (In.): 35-3/4 x 35-3/4
Mfr # 3HHL7
Key Features:
- Item: 27.8"H-W 4.5"L Alu Spring Bkdrft Dampr
- Type: No Flange, Horizontal or Vertical Mount
- Damper Size (In.): 27-3/4 x 27-3/4
Mfr # CAR355
Key Features:
- Item: Steel Backdraft Damper,14"
- Accessory Type: Steel Backdraft Damper,14"
- Package Quantity: 1
Mfr # 2C518
Key Features:
- Item: 15"H-W 6"L Aluminum Wall Backdraft Dampr
- Shutter Mounting Position: Vertical
- Shutter Mounting Location: Wall