Model # FAV4

Internet #100396937

Store SKU #288764

Store SO SKU #1000684632

null 4 in. Fresh Air Vent
0050206937723

4 in. Fresh Air Vent

$14.68 /each

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Product Overview

Master Flow Fresh Air Vents come with a built-in screen to prevent bird entry. They can be used to vent a combustion system or anywhere fresh air intake is needed.

  • Built-in bird screen
  • Sturdy galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape
  • Install with sheet metal screws
  • Built-in screen to prevent bird entry
  • Maximum temperature rating of 390 degrees Fahrenheit, minimum temperature rating of -100 degrees Fahrenheit

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Specifications

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Details

Warranty / Certifications

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Customer Questions & Answers

Is the vent ’SCREEN’ small enough so the Bee’s and Wasp’s can’t come inside and make a nest ?

Asked by: Pat
No
Answered by: Cheradam
Date published: 2017-01-11

Is this vent has flap that close the vent in normal condition and open when exaust fan is on? so that in winter cold air not come in.

Asked by: tako
No
Answered by: Cheradam
Date published: 2017-01-11

Item FAV-4 4" fresh air vent - What is the Net free vent area (NFVA) of this item.

I'm considering using this vent as a supply air duct for attic ventilation through a concrete block wall. I would need to know the NFVA to make an informed decision.
Asked by: Bob
The NFVA for this vent is 6.5 sq inches. Please call Technical Service at 800-211-9612 for additional information, M-F 8-5 ET.
Answered by: Master Flow
Date published: 2016-07-19

How Long is the Pipe? Will it completly fit through Block?

Asked by: Jay
Thank you for inquiring about MasterFlow Products ... The inlet pipe is 6 inches in length. Please contact our Technical Services Group at 800-211-9612, M-F 8-5 ET, with any additional questions.
Answered by: Master Flow
Date published: 2016-04-09
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Customer Reviews

4 in. Fresh Air Vent is rated 4.3 out of 5 by 4.
Rated 2 out of 5 by from Ok product except there is no way to remove lint from the screen. My dryer ran literally two load... Ok product except there is no way to remove lint from the screen. My dryer ran literally two loads before needing to be disconnected and the screen emptied or else the clothes were still wet after an entire cycle. Ridiculous design!
Date published: 2016-10-25
Rated 5 out of 5 by from Well built and sturdy, it replaced my old plastic unit easily. Well built and sturdy, it replaced my old plastic unit easily.
Date published: 2016-12-13
Rated 5 out of 5 by from Great product well made. Need more sizes in this product. Great product well made. Need more sizes in this product.
Date published: 2017-01-11
Rated 5 out of 5 by from Good sturdy product No pre-drilled holes to fasten vent to outside wall, but very sturdy.
Date published: 2015-07-14
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