Model # F6IFD4X144

Internet #203420974

Store SKU #398907

Store SO SKU #1000128581

Master Flow 4 in. x 12 ft. Insulated Flexible Duct R6 Silver Jacket
0050206031445

Master Flow

4 in. x 12 ft. Insulated Flexible Duct R6 Silver Jacket

$1699 /each

Product Overview

The Master Flow 4 in. x 12 ft. Insulated Flexible Duct R6 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R6 insulation which contains 33% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. It can be used for venting bath fans where insulation is required. The duct is ETL listed, meeting the UL181 standard.
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Product Overview

The Master Flow 4 in. x 12 ft. Insulated Flexible Duct R6 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R6 insulation which contains 33% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. It can be used for venting bath fans where insulation is required. The duct is ETL listed, meeting the UL181 standard.
  • R6 Fiberglass insulation for greater insulating power
  • Flexible duct is convenient for use in multiple applications including heating & A/C systems and some venting
  • Oversized core to connect quickly and easily to standard sheet metal fitting
  • Galvanized core wire for greater corrosion resistance vs. non-galvanized wire
  • Duct can be cut to length as needed
  • Insulated duct features a maximum temperature rating of 200 degrees Fahrenheit
  • Always install per instructions and seal using approved mastic or sealant (or approved tape)

Product Overview

Model #: F6IFD4X144
Sku #: 398907
Internet #: 203420974

The Master Flow 4 in. x 12 ft. Insulated Flexible Duct R6 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R6 insulation which contains 33% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. It can be used for venting bath fans where insulation is required. The duct is ETL listed, meeting the UL181 standard.

  • R6 Fiberglass insulation for greater insulating power
  • Flexible duct is convenient for use in multiple applications including heating & A/C systems and some venting
  • Oversized core to connect quickly and easily to standard sheet metal fitting
  • Galvanized core wire for greater corrosion resistance vs. non-galvanized wire
  • Duct can be cut to length as needed
  • Insulated duct features a maximum temperature rating of 200 degrees Fahrenheit
  • Always install per instructions and seal using approved mastic or sealant (or approved tape)

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
144
Product Diameter (in.)
4 in
Product Height (in.)
8
Product Length (in.)
144
Product Width (in.)
8

Details

Color
Silver Jacket
Insulated
Yes
Insulation R-Value
6
Insulator material
Other
Material
Fiberglass
Maximum air flow (CFM)
60
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
2-UL Recognized,ETL Listed

Specifications

Dimensions

Product Depth (in.)
144
Product Diameter (in.)
4 in
Product Height (in.)
8
Product Length (in.)
144
Product Width (in.)
8

Details

Color
Silver Jacket
Insulated
Yes
Insulation R-Value
6
Insulator material
Other
Material
Fiberglass
Maximum air flow (CFM)
60
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
2-UL Recognized,ETL Listed

Questions & Answers

Why should I use an insulated jacket versus one without.

Asked by: Mark
Insulation minimizes the change in temperature of the air flowing through the pipe. The goal is to avoid condensation on the interior and/or exterior of the pipe as this type of condensation is a potential cause of mold formation and damage to the surrounding structure.
Answered by: Twons
Date published: 2017-11-10

Can the inner flexible duct be slid out of the insulation sleeve and discarded?

I would like to use the outer insulation sleeve on 4" aluminum tubing that will be used to vent a bathroom fan in my attic. Perhaps this would be easier than using insulation to wrap the 4" aluminum tubing. Any advice or comments would be appreciated. Thank you.
Asked by: RS
I used this duct for a bathroom fan and the inner duct was not directly adhered to the insulation though I would have to wonder how much damage might occur to the insulation when pulling it over a pipe.
Answered by: Twons
Date published: 2016-10-24

Will this work for a dryer vent directly attached to dryer?

Asked by: Dustin
Most dryer manufacturers require hard duct for venting purposes. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Answered by: BrandAnswers
Date published: 2017-09-18

CAN THE DUCT BE CUT TO SHORTER LENGTH AND DOES THE INSULATION PULL UP OVER CONNECTION TO VENT

CAN THE DUCT BE CUT TO SHORTER LENGTH AND DOES THE INSULATION PULL UP OVER CONNECTION TO VENT
Asked by: VITO
This can be cut to length. It is not listed how the insulation pulls up to connect.
Answered by: CommunityAnswer
Date published: 2017-05-04
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Customer Reviews

4 in. x 12 ft. Insulated Flexible Duct R6 Silver Jacket is rated 4.4 out of 5 by 20.
Rated 4 out of 5 by from Great design though the site fails to mention how large the product diameter grows to once you op... Great design though the site fails to mention how large the product diameter grows to once you open the box and allow the duct and insulation to expand. Not sure if this will work for me as it needs to cross another similarly sized duct for AC within a tight attic space. Speculate that the true diameter is 8 Inches.
Date published: 2017-10-31
Rated 5 out of 5 by from Fit perfectly over my 4 inch ventilation fan. Comes in... Fit perfectly over my 4 inch ventilation fan. Comes in a very small box and seems to be of good quality.
Date published: 2017-08-29
Rated 5 out of 5 by from Larger then I thought but was able to replace old... Larger then I thought but was able to replace old plastic duct work in attic with this insulated one.
Date published: 2017-11-01
Rated 5 out of 5 by from It was what I needed...you should stock this item...... It was what I needed...you should stock this item...
Date published: 2017-11-14
Rated 4 out of 5 by from 4 Star Review Rating provided by a verified purchaser
Date published: 2017-10-25
Rated 4 out of 5 by from Good quality and insulated. It is more important to have an insulated duct in colder areas, such... Good quality and insulated. It is more important to have an insulated duct in colder areas, such as the North, but for a small additional cost, this is the best way to go.
Date published: 2017-02-14
Rated 5 out of 5 by from Buy this for your bathroom vent, it's the best deal... Buy this for your bathroom vent, it's the best deal around. I did plenty of research and worked out great.
Date published: 2017-02-21
Rated 5 out of 5 by from Bathroom exhaust fan ductwork Easy to install and works great. Would definately purchase this product again!
Date published: 2017-02-08
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