4 inch Aluminum Roof Exhaust Vent – Damper – Screen – No Collar – Item #109NC

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A damper and screen in the flush mount aluminum wall exhaust hood vent prevent outside elements and air from entering the vent when not in use. The damper opens and allows the exhaust air to exit the vent through the sufficient opening containing the screen, which has a net-free area of 10.5 square inches. When the screen is removed, the net-free area increases to 20 square inches, allowing for maximum airflow.

Bath Fan Vent

The Lambro flush mount aluminum exhaust hood vent is ideal for venting through the roof.

The damper seals the vent opening when the bath fan, range hood, and microwave are not running because no exhaust air exits the vent. When the appliance operates, the exhaust air pressure pushes the damper open to let the exhaust air escape from the vent.

The vent is for new and replacement installations over an existing 4-inch opening. The vent features an opening containing the screen with a net-free area of 10.5 square inches, allowing for less back pressure. The net-free area of the unrestricted opening is 20 square inches when removing the screen.

The vent’s manufacturing material is 22 gauge aluminum for durability and will not rust to maintain longevity.

Make sure to check local building codes before installation.

Product features and benefits:

  • Individual pack
  • For new or replacement vent installations
  • For through-the-roof installation – no collar
  • Through-the-roof installation
  • Designed to prevent leaks when properly installed
  • Opening and closing damper stays closed when not in use
  • Damper and screen prevent outside elements from entering the vent
  • Made of 22 gauge aluminum for durability and will not rust to maintain longevity
  • Recommended for bath fan, range hood, and microwave exhaust installations
  • Installation nails (not included)

Product Contains:
(1) 4 inch aluminum roof exhaust vent – damper – screen – no collar


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109R-R (Retail Printed Box)

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Item Number:
109NC
Pack Quantity:
1
Package Size:
9 1/4 x 7 3/8 x 12
Package Type:
Single Pack


Type

Roof Cap

Diameter

4"

Material

Aluminum

Has Damper

Yes

Has Screen

Yes

Has Collar/Tail

No