Model # F6IFD8X300

Internet #100396936

Store SKU #685764

Store SO SKU #1000683050

Master Flow 8 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket
0050206922446

Master Flow

8 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket

  • R6 fiberglass insulation for greater insulating power
  • Used for heating, A/C systems and some venting
  • Duct can be cut to length as needed
$3165 /each
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Installation Options

Product Overview

  • R6 fiberglass insulation for greater insulating power
  • Used for heating, A/C systems and some venting
  • Duct can be cut to length as needed
The Master Flow 8 in. x 25 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. The duct is ETL listed, meeting the UL181 standard.
  • Flexible duct is convenient for use in multiple applications including heating and 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
  • Insulated duct features a maximum temperature rating of 200°F
  • Always install per instructions and seal using approved mastic or sealant (or approved tape)

Product Overview

  • R6 fiberglass insulation for greater insulating power
  • Used for heating, A/C systems and some venting
  • Duct can be cut to length as needed
Model #: F6IFD8X300
Sku #: 685764
Internet #: 100396936

The Master Flow 8 in. x 25 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. The duct is ETL listed, meeting the UL181 standard.

  • Flexible duct is convenient for use in multiple applications including heating and 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
  • Insulated duct features a maximum temperature rating of 200°F
  • 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.)
300
Product Diameter (in.)
8 in
Product Height (in.)
12
Product Length (in.)
300 in
Product Width (in.)
12

Details

Color
Silver Jacket
Insulated
Yes
Insulation R-Value
6
Insulator material
Other
Material
Fiberglass
Maximum air flow (CFM)
200
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
2-UL Recognized,ETL Listed

Specifications

Dimensions

Product Depth (in.)
300
Product Diameter (in.)
8 in
Product Height (in.)
12
Product Length (in.)
300 in
Product Width (in.)
12

Details

Color
Silver Jacket
Insulated
Yes
Insulation R-Value
6
Insulator material
Other
Material
Fiberglass
Maximum air flow (CFM)
200
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
2-UL Recognized,ETL Listed

Questions & Answers

Will the insulation help with reducing sound between rooms? Looking to install this in return air...

Will the insulation help with reducing sound between rooms? Looking to install this in return air that runs between above-garage-apartment and the main house through the attic and want to make sure sound doesn't carry from one room the the other.
Asked by: Landlord
We installed this under our kitchen floor and don't hear a thing from it. Of course there is R 30 insulation under the floor.
Answered by: DD
Date published: 2018-01-07

can i use this for hot air outlet on a wood furnace

can i use this to connect hot air outlet of wood furnaces to oil furnaces. i'm running black stove pipe for the first couple of feet out of the hot air outlet of furnaces then i was going to use this for the rest. can it take the heat from the furnaces being that close to it
Asked by: fiberman38
Probably good for up to about 160° measure the airflow with a quality probe thermometer if the temp is below about 160 I wouldn't have a problem with it. You can also use the insulation from this product and pull the plastic out and wrap around steel pipe of the same diameter
Answered by: awr
Date published: 2018-02-20

Can this be used for the inlet side of a Furness or will it collaps?

Asked by: Mike
It's pretty ridged. If the correct size was used it should be ok. That said, I'm not sure the benefit of insisting the cold air return
Answered by: awr
Date published: 2018-02-20

Is this the best duct material for venting a dryer through the roof?

Asked by: Nan
Unacceptable for dryer venting. Plastic duct no longer allowed for ducting dryers Its a fire Hazzard. Use solid alium or steel duct. No need to insulate dryer duct through non habitable part of the house.
Answered by: awr
Date published: 2018-02-20
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Customer Reviews

8 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket is rated 4.9 out of 5 by 36.
Rated 5 out of 5 by from Good product. Easy to order and use. I... Good product. Easy to order and use. I ran into no issues using the product. The addition to my HVAC is working as planned. Thanks for a great product!
Date published: 2017-11-01
Rated 5 out of 5 by from Good product ... Good product
Date published: 2018-03-06
Rated 5 out of 5 by from Excellent stuff it's a much better value than the more expensive similar models by other brands I... Excellent stuff it's a much better value than the more expensive similar models by other brands I actually didn't use for its intended use, I cut in half the long way and wrapped around steam pipes. It was 1/3 the price of official pipe insulation! 10" tube was perfect for 50' of 4" steam pipe, 8" tube was perfect for 50' of 3" steam pipe. The trick to getting it to fit nice without compressing the Rvalue from 6 to 4 was peeling in half from 1.5 to 0.75" and wrapping around gently twice (also why as shown in the photo the pink glass stayed on the pipe until I put on the silver foil) Alternatively you can cut into long strips 1/4 of the width and spiral around the pipe if you curl gently enough you can maintain the 1.5" of the R6.
Date published: 2018-02-20
Rated 5 out of 5 by from Exactly what I needed. The only store that had my... Exactly what I needed. The only store that had my product without having to special order it.
Date published: 2018-01-30
Rated 5 out of 5 by from Exactly what we needed for the installation. Easy to... Exactly what we needed for the installation. Easy to handle and easy to install.
Date published: 2018-03-20
Rated 4 out of 5 by from Its a good product but its also little pricy Its a good product but its also little pricy
Date published: 2017-12-19
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-12-06
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2018-02-15
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