Top-down side view of FAMCO tapered duct reducer.

Tapered Duct Reducer

Rated 4.89 out of 5 based on 18 customer ratings

(18 customer reviews)

$16.95 – $74.95

Quality constructed from heavy-duty 26 gauge galvanized steel
Designed to reduce the duct size of a forced air run in a short transition
By gradually decreasing the duct size, the tapered reducer maintains the CFM rate in the run and maximizes air flow
Comes in a range of sizes from 4 inch x 3 inch to 24 inch x 22 inch

Dimensions

4x3 inch
5x3 inch
5x4 inch
6x3 inch
6x4 inch
6x5 inch
7x3 inch
7x4 inch
7x5 inch
7x6 inch
8x3 inch
8x4 inch
8x5 inch
8x6 inch
8x7 inch
9x6 inch
9x7 inch
9x8 inch
10x6 inch
10x7 inch
10x8 inch
10x9 inch
12x6 inch
12x7 inch
12x8 inch
12x9 inch
12x10 inch
14x8 inch
14x9 inch
14x10 inch
14x12 inch
16x10 inch
16x12 inch
16x14 inch
18x12 inch
18x14 inch
18x16 inch
20x14 inch
20x16 inch
20x18 inch
22x14 inch
22x16 inch
22x18 inch
22x20 inch
24x16 inch
24x18 inch
24x20 inch
24x22 inch

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SKU TR Categories Accessories, Increasers / Reducers

Description

The FAMCO TR tapered reducer is designed to reduce the duct size of a forced air run in a short transition. By gradually decreasing the duct size, the tapered reducer maintains the CFM rate in the run and maximizes air flow. Quality constructed from heavy-duty 26 gauge galvanized steel. The FAMCO TR tapered reducer comes in a range of sizes from 4 inch x 3 inch to 24 inch x 22 inch. The FAMCO TR tapered reducer is manufactured by FAMCO in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this product, please refer to the FAQs above or feel free to contact us.

PDF Download

Spec Sheet

Tapered Duct Reducer

SKU: TR

Click to Enlarge

Questions and answers of the customers

Will the 4-inch end of the 4-inch to 3-inch reducer fit over a 4-inch PVC outlet on a bathroom exhaust fan?

Q Will the 4-inch end of the 4-inch to 3-inch reducer fit over a 4-inch PVC outlet on a bathroom ex...... Read more answer now
Asked on May 30, 2021 7:18 pm

A
Ours would be a nominal 4" size, so you may need to use a crimping tool to connect this to your duct.

hi, what is the height of the 12" ring and the height of the 18" ring, and total height ?

Q hi, what is the height of the 12" ring and the height of the 18" ring, and total height ? answer now
Asked on March 31, 2021 4:21 pm

A
both ends will be 1-7/8" - total height with the conical section on this 18x12" tapered reducer will be 6-3/4"

What is the size of 7 inch round, is it exact 7 inch or slightly less? I am looking to reduce 7 inch ducts to 6 but not sure how this one will fit. it would be great if you can advise.

Q What is the size of 7 inch round, is it exact 7 inch or slightly less? I am looking to reduce 7 i...... Read more answer now
Asked on March 16, 2021 8:39 pm

A
This product is designed to be in the exact stated size, and you may need to crimp one end in order to connect to certain duct work.

18 reviews for Tapered Duct Reducer

4.9

Based on 18 reviews

5 star	88	88%
4 star	11	11%
3 star		0%
2 star		0%
1 star		0%

Rated 5 out of 5

Samuel Jerian (verified owner) – July 9, 2019

Unfortunately I didn’t need this but it looks good
Rated 5 out of 5

Michael (verified owner) – August 9, 2019
Rated 5 out of 5

Anonymous (verified owner) – August 20, 2019
Rated 5 out of 5

John B. (verified owner) – September 23, 2019
Rated 5 out of 5

Scott S. (verified owner) – November 19, 2019
Rated 5 out of 5

Eduard Zaydman (verified owner) – December 15, 2019
Rated 5 out of 5

Edward Klimas (verified owner) – March 16, 2020

Reduces as expected.
Rated 5 out of 5

Eric Mueller (verified owner) – June 3, 2020

ID or OD fit would be nice as an option.
Rated 5 out of 5

Tim (verified owner) – August 16, 2020
Rated 5 out of 5

Lee Capone DVM (verified owner) – September 18, 2020
Rated 5 out of 5

Lee Capone (verified owner) – September 25, 2020
Rated 5 out of 5

Charles R. (verified owner) – February 15, 2021
Rated 5 out of 5

Anonymous (verified owner) – March 30, 2021
Rated 5 out of 5

Kent (verified owner) – April 22, 2024

perfect fit and excellent quality
Rated 5 out of 5

Joel N. (verified owner) – April 26, 2024

Direct fit no guess work
Rated 4 out of 5

Richard (verified owner) – May 13, 2024

I had to add some metal to the 14 inch side for clearance for the fan unit in my application. But it worked out.
Rated 4 out of 5

Clark (verified owner) – July 29, 2024

8” end needs to be “male”
Rated 5 out of 5

Anonymous (verified owner) – November 8, 2024