Model # RD3.25X10X36

Internet #100139237

Store SKU #149322

Store SO SKU #1000683904

null 3.25 in. x 10 in. x 3 ft. Half Section Rectangular Stack Duct
0050206921906

3.25 in. x 10 in. x 3 ft. Half Section Rectangular Stack Duct

$6.21 /each

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Product Overview

Master Flow's Rectangular Stack Duct is used for HVAC system applications between wall studs as supply and return ducts, and to vent range hoods, kitchen and bath fans between walls as well . Installing rectangular duct between wall studs saves space, and is an easy way to route air up or down a wall and to other stories of a home. It also works in overhead spaces between floor joists or in attics. Sold in "L" sections. Two pieces must be ordered to produce a full section of duct.

  • Sold in Half Sections - 2 pieces needed for complete section of duct
  • Sections easily snap together with no tools necessary
  • Can be cut to needed length with simple tin snips (not included)
  • Notched corners for easily connecting sections, or use cleats (cleats not included)
  • Always seal seams with code-approved mastic, sealant or duct tape (not included)
  • Install with sheet metal screws (not included)
  • Always insulate ductwork for greater system efficiency and comfort

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Warranty / Certifications

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Customer Questions & Answers

how do i attach a 3x10 elbow to a 3x10 stack

do i need to modify the elbow ?
Asked by: JR
use a crimping tool to reduce the size then insert the stack and use self tapping screw #6 are fine and finally use aluminum tape
Answered by: LL
Date published: 2016-01-20
  • y_2017, m_2, d_20, h_10CST
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Customer Reviews

3.25 in. x 10 in. x 3 ft. Half Section Rectangular Stack Duct is rated 4.5 out of 5 by 6.
Rated 5 out of 5 by from built to satisfy! Great product for the price, quality and very durable.
Date published: 2016-07-19
Rated 5 out of 5 by from did its job material were easy to assemble and install was good
Date published: 2016-01-19
Rated 4 out of 5 by from Perfect for job at hand Used as an extension for an existing duct. No instructions provided. Easy to cut to length.
Date published: 2014-07-22
Rated 4 out of 5 by from Sheet metal duct Good quality tight tolerances and easy to assembly
Date published: 2014-04-22
Rated 4 out of 5 by from Duct was as described. Delivered quickly. Duct was as described. Delivered quickly. Is used for HVAC system application as supply duct. Installing rectangular duct between ceiling studs saves space, and is an easy way to route air.
Date published: 2013-01-30
Rated 5 out of 5 by from really, ductwork reviews? Shiny, steel ductwork, I'm the envy of every basement.
Date published: 2014-07-29
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