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Internet #100112606

Model #MIF14X300

Store SKU #590332

Store SO SKU #1000290482

Mobile Home 14 in. x 25 ft. Insulated Flexible Duct R4.2 in Black Jacket

$10700
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  • R4.2 fiberglass insulation is perfect for heating and A/C systems
  • Connects to standard sheet metal with its large core
  • Metal core is galvanized for resisting corrosion
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Product Overview

The Master Flow Mobile Home 14 in. x 25 ft. Insulated Flexible Duct R4.2 Black Jacket is used in Manufactured and Mobile Home Heating and Air Conditioning systems and some venting applications. The extra heavy black polyethylene jacket with UV inhibitors allows for outdoor applications as well as indoor applications. It is ETL listed, meeting UL181 standard.
  • R4.2 fiberglass insulation
  • Flexible duct is convenient for use in manufactured and mobile home heating and A/C systems including and some venting applications
  • 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)

Additional Resources

From the Manufacturer

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Mobile Home 14 in. x 25 ft. Insulated Flexible Duct R4.2 in Black Jacket
BrandThermaflexMaster FlowMaster FlowMaster Flow
NameKP 14 in. x 25 ft. HVAC Ducting - R4.210 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket10 in. x 25 ft. Insulated Flexible Duct R8 Silver JacketMobile Home 14 in. x 25 ft. Insulated Flexible Duct R4.2 in Black Jacket
Price
$5150
/box
$8547
$10400
$10700
Ratings
(37)
(1097)
(300)
(130)
InsulatedYesYesYesYes
Maximum air flow (CFM)5586400400.0930
Product Diameter (in.)14 in101014 in
Insulation R-Value4.2684.2
Product Depth (in.)25300300300
Product Length (in.)300300300300 in
MaterialFiberglassFiberglassFiberglassFiberglass
Product Width (in.)1713.514.516
Product Height (in.)1713.514.516
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Specifications

Dimensions

Product Depth (in.)
300
Product Diameter (in.)
14 in
Product Height (in.)
16
Product Length (in.)
300 in
Product Width (in.)
16
Wall Thickness (in.)
1

Details

Color
Black Jacket
Insulated
Yes
Insulation R-Value
4.2
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

  • 4.8
    out of 130 reviews
  • 100%recommend this product
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Showing 1-10 of 130 reviews
Easy to use. Great for mobile home use. Allowed me to easily connect to existing plenum in attic
Easy to use. Great for mobile home use. Allowed me to easily connect to existing plenum in attic
by
  • DIY
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  • Recommended
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  • Verified Purchase
Inner liner thin and ripped very easily. Will...
Inner liner thin and ripped very easily. Will not use again!!!
by
Response from Master FlowMay 13, 2022
Sorry for your experience. This is not a common issue for this product. Thank you for your feedback. MasterFlow
  • Verified Purchase
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  • Verified Purchase
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  • Verified Purchase
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          Showing 1-10 of 130 reviews