Model # F8IFD6X300

Internet #202562740

Store SKU #810991

Store SO SKU #1000684268

Master Flow 6 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket
0050206029220

Master Flow

6 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket

$3955 /each

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Product Overview

The Master Flow 6 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R8 insulation which contains 50% 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.

  • R8 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)

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Customer Questions & Answers

What is the max temperature rating that this duct work will handle? Thanks

Asked by: Troy
200 degrees Fahrenheit ... is the max Temp.
Answered by: Bobby4319
Date published: 2016-12-10

Why is maximum air flow so low?

Why is the maximum air flow listed at only 100cfm? At what pressure did you get that 100cfm figure?
Asked by: needsmoreflow
The amount of flow depends on many things (variables): A vertical installation requires that the fan lift the air (work= force times distance). Each bend induces drag in the airflow. The drag increases with the angle of the bend. The drag increases with the tightness of the bend. The drag increases with increasing length of the hose. The drag is higher for a small diameter hose than it is for a large diameter hose. An inline duct fan is one device that can be used to increase flow.
Answered by: cw
Date published: 2017-05-18
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Customer Reviews

6 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket is rated 4.7 out of 5 by 12.
Rated 5 out of 5 by from Careful removing from box This seems to be a very good product but you need to be careful taking it out of the box to keep the inner flex tube, insulation, and aluminum foil exterior together. Just pulling on one end can pull the insulation out of the aluminum foil cover. Be sure you have something to use as an union, if you are butting 2 duct ends together. ;-)
Date published: 2017-01-03
Rated 4 out of 5 by from Product worked as expected and was easy to install. Though the inter flex seemed flimsy, it was n... Product worked as expected and was easy to install. Though the inter flex seemed flimsy, it was not and held up to my abuse during installation.
Date published: 2017-04-18
Rated 4 out of 5 by from Was as described, works well.... Was as described, works well.
Date published: 2017-04-12
Rated 5 out of 5 by from Quality product Quality material at a decent price. I immediately noticed a difference in my heating/cooling after replacing the old, sagging flexiduct. Worth the money! Be sure to have sharp knife, straps to hold up your duct, a good pair of wire cutters, industrial zip ties, HVAC foil tape, and some patience!
Date published: 2016-09-20
Rated 5 out of 5 by from Duct I have found a marked improvement in how much cooler my home is since replacing ghe old ac ducts
Date published: 2016-08-24
Rated 4 out of 5 by from INSULATED FLEXIBLE DUCT R8 Needs straps or restraints to control bend radius. Somewhat heavy. Aluminum tape is required.
Date published: 2016-08-02
Rated 5 out of 5 by from Product is durable and easy to work with. I ordered two. Product is durable and easy to work with. After shaking and pulling, both were 22 ft long not 25 ft. I really missed the extra 6 feet but made it work. I got 2 10" also both were 25ft. Tip:I recycled all the insulation from the old flex duct .
Date published: 2011-06-14
Rated 5 out of 5 by from Product as described, good deal and high quality! The insulated silver jacket does a good insula... Product as described, good deal and high quality! The insulated silver jacket does a good insulation (can immediately tell when putting my hand inside)! Cutting the inner metal wire with a sheet metal cutter made it easy! As the other post suggests, be careful when installing the duct through tight-fit opening as it may seem sturdy, the inner plastic can be torn open if not paying attention.
Date published: 2016-10-28
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