$8838
- R6 fiberglass insulation is perfect for heating and A/C systems
- Galvanized core wire resists rust and corrosion
- Insulated duct can withstand up to 200°F
- View More Details
Frequently Bought Together
Price:
$8838
Product Overview
The Master Flow 14 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.
- R6 fiberglass insulation for greater insulating power
- 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
- Duct can be cut to length as needed
- 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
Specifications
Dimensions
Product Depth (in.)
300
Product Diameter (in.)
14
Product Height (in.)
17.5
Product Length (in.)
300
Product Width (in.)
17.5
Wall Thickness (in.)
1.75
Details
Color
Silver Jacket
Insulated
Yes
Insulation R-Value
6
Insulator material
Other
Material
Fiberglass
Maximum air flow (CFM)
930
Returnable
90-Day
Warranty / Certifications
Certifications and Listings
ETL Listed,UL Recognized
Questions & Answers
Typical questions asked about products:
- Is the product durable?
- Is the product easy to use?
- What are the dimensions of the product?
Customer Reviews
Apr 21, 2020
Easy to work with. Does exactly what it is supposed to. I had two 25 ft sections. Used about 20...
Easy to work with. Does exactly what it is supposed to. I had two 25 ft sections. Used about 20 ft for one duct and attached the remaining 5 ft to the other full 25 ft section for a second needed duct. Had to stretch it a bit so as to not have to buy another 25 ft. Would have liked it if it came in greater than 25 ft sections - maybe 30 or 40 ft length.
by JATHD001
Oct 29, 2019
Should've gotten the R8 flex but this works
Should've gotten the R8 flex but this works
by Bri
Mar 5, 2019
I replaced my home entire HVAC duct system and I'm glad I did because my AC is working like a cha...
I replaced my home entire HVAC duct system and I'm glad I did because my AC is working like a charm. Master Flow DUCTS are quite inexpensive and seem durable compared to my old duct work..
by Rick123
Jul 11, 2018
Easily maneuvered, installed, sealed. Zip ties and foil tape worked perfectly for securing this d...
Easily maneuvered, installed, sealed. Zip ties and foil tape worked perfectly for securing this ductwork .
by Cdawg
Jun 5, 2018
I liked it.
I liked it.
by Getu
May 22, 2018
It really was very easy to unpack and install, I appreciate that you hold things in an efficient ...
It really was very easy to unpack and install, I appreciate that you hold things in an efficient and simple way to get the job done
by Cisco
May 1, 2018
Following an upstairs flood, I had to replace my air duct since a lot of water went down the old ...
Following an upstairs flood, I had to replace my air duct since a lot of water went down the old air duct. This duct, plus a couple of zip-ties made an easy job! To cut it, I used a box-cutter knife, plus a pair of wire cutters when I got to the coiled wire of the duct. If needed, a little extra silver/foil duct tape can help ensure it doesn't leak air around the seal, sort of a belt & suspenders approach to ensuring the duct doesn't slip off the zip-tie connections.
by CustomWebProgrammer
Feb 20, 2018
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.
by awr
Jan 2, 2018
With the freakishly cold weather we've been having this winter, we developed a problem with water...
With the freakishly cold weather we've been having this winter, we developed a problem with water vapor freezing inside our regular plastic ducting that connected the bathroom vent fan up through the attic and out through the roof. When the ice would melt, water would drip back out of the vent fan and make a mess in the bathroom. We removed the old plastic ducting (along with the 10 lb chunk of ice that was inside it - wow!) and replaced it with this. It was easy to connect since the inside is the same size as the regular cheapo plastic ducting. And since switching, we have not had any more dripping so I assume it is doing its job. The only problem is that 25 feet of this is WAY more than we needed and it didn't come in smaller lengths. So now we have a pile of leftovers which I suppose we'll use if any of our other bathroom fans have the same issue in the future. Anyhow, this did the job for a reasonable price and now we can sit on the toilet without getting dripped on - what more could you ask??
by plato
Dec 28, 2017
It was well insulated. Easy to work with.
It was well insulated. Easy to work with.
by Tman
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