
step down diffuser
0.00 Reviews$39.99
Shipping calculated at checkoutSKU: ais-sdd-6-wBarcode: Not listed
step diffuser built for jobsite service
Made in the USA
Field notes
Built for reliable installation
step diffuser details without decorative guesswork
step down diffuser with concentric stepped rings for controlled ceiling discharge. the face helps spread supply air in multiple directions while giving installers a simple trim piece for ducted ceiling runs.
- formed stepped pattern for broad distribution
- round neck sizes for common branch duct work
- suited for light-commercial and residential rooms

Clear fitment for crews
step down diffuser with concentric stepped rings for controlled ceiling discharge. the face helps spread supply air in multiple directions while giving installers a simple trim piece for ducted ceiling runs. formed stepped pattern for broad distribution round neck sizes for common branch duct work suited for light-commercial and residential rooms
Compatibility: Check the listed option values, SKU, and measurements before installing into finished work.
Choose from 2 material types
white
Trade-ready option published on the selected product variant.
Material spec: whitealuminum
Trade-ready option published on the selected product variant.
Material spec: aluminumSpecifications
| Specification | Details |
|---|---|
| Product type | step diffuser |
| Selected SKU | ais-sdd-6-w |
| Selected variant | 6 in / white |
| Availability | Available for sale |
| Inventory count | Not advertised |
| neck size | 6 in 8 in 10 in |
| finish | white aluminum |
| Made in | USA |
Printable Spec Sheet
Can I use step diffuser 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.