6 Duct Size Duct Fittings | McMaster-Carr

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Duct Size

Shape

Adjustable-Angle Elbow

Material

Stainless Steel

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OD

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Push to Connect

Quick-Disconnect Clamp

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Gender

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Chemical Resistant

Corrosion Resistant

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End Construction

Duct Adapter Type

Duct-to-Duct with Flange

Oval Duct to Standard Duct

DFARS Specialty Metals

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234 Products

Duct and Fittings

Standard Duct and Fittings

Standard Duct and Fittings

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

Quick-Disconnect Duct and Fittings

Quick-Disconnect Duct and Fittings

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

Spiral Duct and Fittings

Spiral Duct and Fittings

A continuous seam reinforces duct against suction from dust collection systems

Duct Flanges

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

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

Oval Duct and Fittings

Oval Duct and Fittings

Half the height of rectangular duct to fit into the tightest spaces

Chemical-Resistant Duct and Fittings

Chemical-Resistant Duct and Fittings

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

Other Products

Duct Blast Gates

Duct Blast Gates

Slide open and closed to control flow of air and material

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Duct Airflow Dampers

Duct Airflow Dampers

Regulate airflow to sections of duct

Duct Floor Sweeps

Duct Floor Sweeps

Get dust and debris off your floor and into your collection system

Barometric Draft Dampers

Barometric Draft Dampers

Maintain consistent airflow in your furnace to improve its performance

Duct Noise Reducers

Duct Noise Reducers

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

Duct Downdraft Diverters

Duct Downdraft Diverters

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

Diffuser Dampers

Diffuser Dampers

Regulate the airflow coming out of drop-ceiling diffusers

Duct Flow Sights

Duct Flow Sights

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

Duct Fire Dampers

Duct Fire Dampers

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

Duct Spark Traps

Duct Spark Traps

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

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