12 Duct Size Duct | McMaster-Carr

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Duct Size

Shape

Adjustable-Angle Elbow

Material

Stainless Steel

ID

Fitting Connection

Quick-Disconnect Clamp

Worm-Drive Clamp

Component

Adjustment Sleeve

Downdraft Diverter

Duct with Access Panel

Finish

Gauge

OD

Gender

Length

End Construction

Duct Adapter Type

Duct-to-Duct with Flange

Performance

Chemical Resistant

Corrosion Resistant

Quick Disconnect

System of Measurement

Duct Profile

Export Control Classification Number (ECCN)

RoHS

REACH

DFARS Specialty Metals

Duct Type

For Duct Shape

Wye Angle

Flange Mount Type

Blade Material

304 Stainless Steel

Duct Construction

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190 Products

Duct and Fittings

Quick-Disconnect Duct and Fittings

Quick-Disconnect Duct and Fittings

The fastest to disassemble for dust collection and other frequently cleaned systems

Standard Duct and Fittings

Standard Duct and Fittings

Deliver air for a range of HVAC applications, including exhaust and dust collection

Spiral Duct and Fittings

Spiral Duct and Fittings

A continuous seam reinforces duct against suction from dust collection systems

Tight-Seal Spiral Duct and Fittings

Tight-Seal Spiral Duct and Fittings

Gasketed fittings prevent leaks and the seam reinforces duct against suction from dust collection systems

Chemical-Resistant Duct and Fittings

Chemical-Resistant Duct and Fittings

Withstand corrosive gases, vapors, and fumes that would eat away at most metal duct

Fabric Duct and Fittings

Fabric Duct and Fittings

Evenly distribute air from fans and blowers through large spaces

Duct Flanges

Mount to air handlers and HVAC equipment to start a run of duct

Other Products

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Duct Blast Gates

Duct Blast Gates

Slide open and closed to control flow of air and material

Duct Airflow Dampers

Duct Airflow Dampers

Regulate airflow to sections of duct

Duct Noise Reducers

Duct Noise Reducers

Muffle noise from high-velocity airflow and fans, blowers, and dust collectors

Duct Flow Sights

Duct Flow Sights

Peek inside duct to monitor airflow and check for buildup and blockages

Duct Spark Traps

Duct Spark Traps

Reduce the risk of fire by snuffing out sparks before they get into your system

Duct Fire Dampers

Duct Fire Dampers

Automatically close at high temperatures to help prevent the spread of fire through duct

Diffuser Dampers

Diffuser Dampers

Regulate the airflow coming out of drop-ceiling diffusers

Duct Downdraft Diverters

Duct Downdraft Diverters

Prevent downdrafts from blowing back into ductwork while allowing air and fumes to vent

Barometric Draft Dampers

Barometric Draft Dampers

Maintain consistent airflow in your furnace to improve its performance

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)