butterfly duct damper
0.00 Reviews$24.99
Shipping calculated at checkoutSKU: bdd-4-stBarcode: Not listed
duct damper built for jobsite service
Made in the USA
Field notes
Built for reliable installation
duct damper details without decorative guesswork
Butterfly duct damper uses a central pivot blade to regulate airflow in round duct. The compact profile fits branch runs where a simple turn adjustment is preferred.
- center-mounted blade for straightforward throttling
- external stem indicates open or closed position
- practical for balancing small ventilation zones
Clear fitment for crews
Butterfly duct damper uses a central pivot blade to regulate airflow in round duct. The compact profile fits branch runs where a simple turn adjustment is preferred. center-mounted blade for straightforward throttling external stem indicates open or closed position practical for balancing small ventilation zones
Compatibility: Check the listed option values, SKU, and measurements before installing into finished work.
Choose from 2 material types
steel
Trade-ready option published on the selected product variant.
Material spec: steelaluminum
Trade-ready option published on the selected product variant.
Material spec: aluminumSpecifications
| Specification | Details |
|---|---|
| Product type | duct damper |
| Selected SKU | bdd-4-st |
| Selected variant | 4 in / steel |
| Availability | Available for sale |
| Inventory count | Not advertised |
| diameter | 4 in 6 in 8 in |
| blade material | steel aluminum |
| Made in | USA |
Printable Spec Sheet
Can I use duct damper for residential jobs?
Review local code requirements and the published measurements before installation.
Does the selected variant change the SKU?
Yes. The SKU line above updates with the selected dropdown combination.
Can I order more than one?
Use the quantity stepper before adding the item to the cart.