• 4" White Plastic Under Eave Vent with Weather Damper (Price Per Piece). Item# 143W
  • 4" White Plastic Under Eave Vent with Weather Damper (Price Per Piece). Item# 143W
  • 4" White Plastic Under Eave Vent with Weather Damper (Price Per Piece). Item# 143W
  • 4" White Plastic Under Eave Vent with Weather Damper (Price Per Piece). Item# 143W

    • 4" White Plastic Under Eave Vent with Weather Damper (Price Per Piece). Item# 143W

    Lambro Industries, Inc.

    $9.71
    (6 reviews) Write a Review
    SKU:
    143W
    UPC:
    39899801436
    Availability:
    Product Ships Within 1 - 3 Business Days
    Weight:
    0.34 LBS
    Width:
    6.50 (in)
    Height:
    6.50 (in)
    Depth:
    3.50 (in)
    Shipping:
    Calculated at Checkout
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    Product Description

    4" White Plastic Under Eave Vent with Weather Damper - EA 

    Description: 

    • The Lambro 4 inch white plastic exhaust vent is ideal for venting through the soffit. This vent is used for clothes dryer exhaust, bath fan exhaust and other general venting applications that require moist air and humidity from exiting the home. The exhaust vent allows for maximum airflow while reducing back flow of exhaust air. The built in damper prevents back drafts and critters from entering the home through the vent. The vent can be painted to match your home’s trim color.

      • Maximum airflow with backdraft damper
      • Damper prevents outside elements from entering the vent
      • Accessible screw installation holes – caulk friendly frame
      • Made of polymer resin material
      • UV inhibitor is used to help prevent the premature fading of vent
      • Plastic vent is paintable when prepped prior to painting – plastic paint recommended
      • Recommended for clothes dryer exhaust and bath fan exhaust applications
      • Installation screws and clamps sold separately 
           Dimensions:
    • Width = 6.5"
    • Height = 6.5"
    • Depth = 3.5"
      • Each Screw Hole to Screw Hole is 5.5" 

    Other Details

    Manufacturers Warranty

    Product Videos

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    Product Reviews

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    • 5
      Lambro Industries, Inc. 4" White Plastic Under Eave Vent with Weather Damper (Price Per Piece). Item# 143W

      Posted by Eric on 23rd Jun 2026

      This item is exactly as described, fit perfectly in my existing 5" x 5" holes. I spray painted it before installing and it works perfectly. I ordered 2 of them and recieved them in about 3 days, these were cheaper that ones similar on Amazon and even with shipping cost were almost exactly the same price. Will definitely do business with these guys again!

    • 5
      Bath vent

      Posted by Carl Davis on 29th Jan 2024

      Worked great!

    • 5
      Very good product

      Posted by Zoran on 4th Oct 2023

      Very good product it works very well

    • 5
      Just what I needed. A hard to find piece.

      Posted by BJD on 27th Jul 2020

      On time delivery.

    • 5
      143 pw

      Posted by Rob on 27th Mar 2020

      Perfect size for a small soffit Highly recommend Thank you

    • 5
      143W Soffit Vent

      Posted by James Adams on 15th Jan 2013

      Excellent product easy to work with,This order was my second order of 12 Fast shipper a good company to do business