Diffuser

The Step Down Diffuser is an alternative to the Slab Grill used in Soffit Discharge exhaust applications. The sleek design not only finishes the termination of the duct but also redirects and softens the experience of air flow. This component is often used when terminating exhaust through balcony ceilings.

Features:

20-gauge aluminum construction
27 square inches of free area – screened
48 square inches of free area – unscreened
SMART Union made in North America
Certified to CAN/ULC S115 and ASTM R814 standard method of fire tests of firestop systems

Technical specification

Unique ref.Diffuser
Product familyHVAC Ductwork System
Product groupHVAC Ductwork Diffuser
TypeObject (single object)
Date of publishing2025-12-17
Edition number1

Links

Product urlhttps://highrisehvac.com/products-detail/diffuser/
Technical descriptionhttps://highrisehvac.com/wp-content/uploads/2025/06/diffuser-svg-1.pdf

Designed inCanada
Manufactured inCanada

Classification

BIMobject CategoryHVAC - Ductwork

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States