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16 in. x 4 in. Aluminum Under Eave Soffit Vent in White

  • Lightweight, corrosion-resistant aluminum under eave soffit vent
  • All purpose intake ventilation with pre-punched nail holes
  • Surface mount design for easy installation
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Product Details

The GAF Master Flow Aluminum Under Eave Soffit Vent is an easy-to-install option for providing critical intake ventilation at the soffit or under-eave portion of the roof. 1-piece louvered construction includes screen. Each vent offers a full 26 sq. in. of Net Free Ventilating Area (NFA).
  • Aluminum construction
  • White finish
  • Includes poly-mesh screen to deter animals, birds, and insects
  • Pre-punched nail holes and surface mount design help make installation easy
  • Return Policy

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

7Questions
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Q:How do I find the net free ventilation area for this product?
by|Jun 6, 2019
2 Answers
Answer This Question

A:  Building a air tight box with the product installed on one side. On the opposite install a calibrated fan with a variable / adjustable controller. Put a pressure gauge somewhere on the box. Run up the fan until you start to see the pressure reading jump up, then back off a bit. This is the point at which the product is just past its throughput flow. Take the readings from the calibrated fan which should show a reading on the controller for its CFM or similar number. Conversely and depending on just what you are attempting to use it for, you could just buy one, install it and see if it is adequate. If it is not flowing enough, add another one or move up to a large size in steps until you are satisfied with the results.

by|Jan 4, 2020

A:  Each vent offers a full 26 sq. in. of Net Free Ventilating Area (NFA) If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.

by|Jan 8, 2020
    1 found this answer helpful
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    Q:Can these be used like gable vents on the sides of a dormer?
    by|Dec 26, 2017
    3 Answers
    Answer This Question

    A:  I used the ones I purchased in a horizontal fashion under soffits. I would not recommend using them in an upward vertical fashion because the vent slots are narrow and direct rain penitration might be an issue. Especially wind blown driving rain. Even though the slots would be pointing down.

    by|Jan 3, 2018
      2 found this answer helpful

      A:  No, these are made to be installed at the soffit or under-eave portion of the roof. They should not be installed like Gable Vents. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.

      by|Dec 27, 2017
        2 found this answer helpful

        A:  Yes, the product is suitable for that application.

        by|Jan 27, 2018
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          Q:Does this have an insect screen on the back?
          by|Nov 11, 2017
          2 Answers
          Answer This Question

          A:  It has been a while since I have directly looked at one, but without a screen it would be a poor excuse for a soffit vent. You should visit or call a store which sells them and pose the question. If you are limited to what you can click on, then just buy one or a small pack of them and inspect them to ensure it is screened.

          by|Aug 26, 2020
          1 found this answer helpful

          A:  This product includes a screen.

          by|Nov 11, 2017
            2 found this answer helpful
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            Q:What nails or screws should I use to install these vents?
            by|Sep 22, 2017
            1 Answer
            Answer This Question

            A:  Sort of depends on what you are fastening the vents to. Most times a soffit will be 1/4" thick plywood. If so, then 3/8" or 1/2" long stainless steel or aluminium screws. Pre-drill with a 1/16" drill bit and then turn the screws in carefully by hand so you don't crush the product or break off the screw or strip out the hole.

            by|Aug 27, 2022
            1 found this answer helpful
            Showing 1-4 of 7
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            Customer Reviews

            4.3 out of 5
            (20)
            • 4.3
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            • 100%recommend this product
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            Easy to install and in stock.
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            Perfect for my soffits
            Perfect for my soffits
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            Response from Master FlowApr 25, 2022
            Thank you for the feedback. Glad you were satisfied with your Master Flow purchase. MasterFlow
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            Rating provided by a verified purchaser
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            Looks good and super cheap. Easy for anyone...
            Looks good and super cheap. Easy for anyone
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            Ordinary and ok for the job...
            Ordinary and ok for the job
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            Easy install ad great price....
            Easy install ad great price.
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            Returned. Flimsy and did not work for my home.
            Returned. Flimsy and did not work for my home.
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            FeaturesBuilt-in Screen,Corrosion Resistant,UV ResistantUV Resistant,Weather ResistantUV Resistant,Weather ResistantScreen Included
            Net-Free Area (Sq. In.)26282856
            Intake/ExhaustIntakeIntakeIntakeIntake
            Mounting PositionSoffitsSoffitsSoffitsSoffits
            Power TypeNon-PoweredNon-PoweredNon-PoweredNon-Powered
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