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Duct and Fittings

Single-Wall, Round and Flat Oval Duct and Fittings—
and Single-Wall Ductwork with Acousti-Line™ Insulating Liner
; Providing efficient performance and economic benefits

Double-Wall Round and Flat Oval, Insulated Duct and Fittings; Providing exceptional noise and thermal control in air handling systems

Rectangular Duct and Fittings—
Single-Wall Ductwork and Single-Wall Ductwork with
Acousti-Line™ Insulating Liner;
Available in a broad range of standard sizes

Rectangular-k27® Duct and Fittings—
Double-Wall, Insulated, Rectangular Duct and Fittings
; An erosion-resistant alternative to lined rectangular duct

Exposed Duct—
Stainless Steel, Brass, Copper, Paintable Surfaces;
When visual requirements are important

SilverGuard™— Antimicrobial Duct and Fittings;
Your first line of defense against mold, mildew, fungus, and bacteria

Round Self-Sealing Fittings
; Save time and money by reducing installation costs

Polyvinyl-Chloride-Coated Duct and Fittings

Chimney, Breeching, and Grease Duct Systems

Uni-Quick™ Moveable Duct System— Dust Collection and Material Handling Applications; Designed to quickly assemble, disassemble, and reassemble to meet changing application requirements

Air Diffusers
Diffuser Grilles, Fittings, and Assemblies

Terminal Outlets
Factair™ Terminal Outlets

Volume Control Dampers

Access Doors

Leak Detective® Test Equipment— Visit our handy "Leak Detective Tools" section for online calculation, evaluation, and recommendation of the proper Leak Detective models for your testing needs.

HVAC Acoustics:

Uni-Housing™ —
Pressurized Enclosures and Panel Systems

Round and Rectangular Silencers


Current Awareness Service (FREE!)
Stay abreast with the latest news and publications from McGill AirFlow

Technical Resources
Technical Bulletins, Design Advisories, Seminars, etc.

Duct System Design Service
Duct System Design Service

Local Distribution Network
Duct Express™ Service
Quality Delivered Quickly™ (QDQ)

On-Site Duct Manufacturing
Mobile Duct Machine


Register with our Site and gain access to our online .pdf library and other important information!

Current Awareness Service (CAS)— Subscribers receive e-information advising of advances in air handling technology and duct system design. (FREE!)
Already a CAS subscriber?

Click here to access the CAS Library

McGill AirFlow LLC Who we are

Products and Services— Our complete listing of products and related services

News/Press Releases— New literature information, white papers, trade show information

Ask a Duct Design Expert— Our duct design expert answers frequently asked questions. Is there something you need to know?

Tech Tools— Online Conversion/Calculation duct design and testing web tools.

Solutions Series— Testimonials about airflow challenges solved

Literature— Access our online library of downloadable .pdfs or request literature on CD.

Duct Express™ Service— Nationwide locations stocked with spiral duct and fittings available for delivery or pickup.

Machinery for Sale— Manufacturing equipment. Check periodically for new listings.

Job Opportunities— Visit our parent corporation's website to view current job postings.


Yellow Union Label

© 2002-2015 McGill AirFlow LLC
An enterprise of United McGill Corporation—Family owned and operated since 1951

Unless otherwise noted, all (™) trademarks and (®) registered trademarks are property of United McGill Corporation.

Products depicted were current at the time of publication. All product designs, specifications, and features are subject to change without notice.