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6 in. to 4 in. Round Reducer

$925
  • Used to increase or decrease pipe size
  • Durable galvanized steel construction
  • Can be crimped if needed
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Price:
$925

Product Overview

The Master Flow 6 in. x 4 in. Round Reducer is made of galvanized steel. It features hemmed collar edges for enhanced strength and a secure fit. The reducer is used to transition from a 6 in. pipe to a 4 in. pipe in an HVAC system. It is suitable for most HVAC applications.
  • 30-Gauge, galvanized steel construction for durability
  • Hemmed collar edges for an improved fit and increased strength
  • Connects 6 in. pipe to 4 in. pipe in duct run
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)

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Ratings
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(185)
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Specifications

Dimensions

Product Depth (in.)
6
Product Height (in.)
6
Product Width (in.)
6

Details

Brand/Model Compatibility
Universal
HVAC application
All HVAC types
Material
Galvanized Steel
Product Weight (lb.)
0.54
Returnable
90-Day

Warranty / Certifications

Manufacturer Warranty
Free from Manufacturer Defect at Time of Delivery.

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
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Customer Reviews

  • 4.4
    out of 185 reviews
  • 87% recommend this product
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Showing 1-30 of 185 reviews
The dimensions were acceptable and it worked. What more can you ask of a static piece of metal.
The dimensions were acceptable and it worked. What more can you ask of a static piece of metal.
by
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One part of the puzzle
We're building a dust collection system for a 700 sq.ft. wood shop at Milwaukee Makerspace; a community workshop and non-profit group for makers, crafters, etc. I've bought seven or eight of these so far. The main duct to the dust collector is 6" round and the takeoffs are 6" wye fittings with one of these reducers on the leg. We attached the reducers to the wyes with self-tapping sheet metal screws.
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4 people found this helpful
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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      It didn’t work the mouth of 6” didn’t fit the...
      It didn’t work the mouth of 6” didn’t fit the other 6” to make it to 4” .
      by
        by
          it fit with bath room exhaust fan that has 6...
          it fit with bath room exhaust fan that has 6 inch exhaust and and was able to connect to 4 inch corrugated line
          by
            Great experience buying online and picking up in their lockers....
            Great experience buying online and picking up in their lockers. Quick and easy!
            by
              Very cheap, no crimped end...
              Very cheap, no crimped end
              by
                Works as expected with my portable AC....
                Works as expected with my portable AC.
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                Rating provided by a verified purchaser
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                Good product. Easy to use!!!...
                Good product. Easy to use!!!
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                Only thing is its too high for inside cabinet installation....
                Only thing is its too high for inside cabinet installation.
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                Rating provided by a verified purchaser
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                It flows like the farts from my grandpa's rear end!...
                It flows like the farts from my grandpa's rear end!
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                Rating provided by a verified purchaser
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                I used two of these to hold a 6" duct fan in a 4" solar heater pipe in my greenhouse and it works...
                I used two of these to hold a 6" duct fan in a 4" solar heater pipe in my greenhouse and it works great. I have a fan speed control on the fan which helps with air flow. Duct tape the seams and it's "westward ho".
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                It work perfect and no issues....
                It work perfect and no issues.
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                Showing 1-30 of 185 reviews