
round butterfly damper
0.00 Reviews$26.99
Shipping calculated at checkoutSKU: rbd-04-stdBarcode: Not listed
butterfly damper built for jobsite service
Made in the USA
Field notes
Built for reliable installation
butterfly damper details without decorative guesswork
round butterfly damper uses a centered blade to regulate airflow in circular duct. the simple manual operator supports quick balancing and dependable service access.
- butterfly blade for compact duct control
- external handle shows blade position
- fits common branch ventilation layouts

Clear fitment for crews
round butterfly damper uses a centered blade to regulate airflow in circular duct. the simple manual operator supports quick balancing and dependable service access. butterfly blade for compact duct control external handle shows blade position fits common branch ventilation layouts
Compatibility: Check the listed option values, SKU, and measurements before installing into finished work.
Specifications
| Specification | Details |
|---|---|
| Product type | butterfly damper |
| Selected SKU | rbd-04-std |
| Selected variant | 4 in / standard |
| Availability | Available for sale |
| Inventory count | Not advertised |
| diameter | 4 in 5 in 6 in 8 in |
| bearing | standard bushed |
| Made in | USA |
Printable Spec Sheet
Can I use butterfly 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.