4 inch Aluminum Roof Exhaust Dryer Vent – Damper – No Screen – 1.75 inch Pipe – Item #109NS

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A damper in the aluminum wall exhaust hood dryer vent with 1.75-inch pipe prevents 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 , which has a net-free area of 20 square inches.

Dryer Vent

The Lambro aluminum exhaust hood dryer vent with 1.75-inch pipe is ideal for venting through the roof.

The damper seals the vent opening when the clothes dryer, 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 a net-free area of 20 square inches, allowing for less back pressure.

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
  • 1.75-inch length pipe for through-the-roof installation
  • Through-the-roof installation
  • Designed to prevent leaks when properly installed
  • Opening and closing damper stays closed when not in use
  • Damper prevents outside elements from entering the vent
  • Made of 22 gauge aluminum for durability and will not rust to maintain longevity
  • Recommended for clothes dryer, bath fan, range hood, and microwave exhaust installations
  • Installation nails (not included)

Product Contains:
(1) 4 inch aluminum roof exhaust vent – damper – no screen – 1.75-inch pipe


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Item Number:
109NS
Pack Quantity:
1
Package Size:
9 1/4 x 7 3/8 x 12
Package Type:
Single Pack
Package Weight:
1.25 lbs.
UPC:
0 3989900109 6


Type

Roof Cap

Diameter

4"

Material

Aluminum

Has Damper

Yes

Has Screen

No

Has Collar/Tail

Yes