3 Duct Size Duct Fittings | McMaster-Carr

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Duct Size

Shape

Adjustable-Angle Elbow

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Stainless Steel

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Quick-Disconnect Clamp

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Adjustment Sleeve

Downdraft Diverter

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End Construction

Duct Adapter Type

Duct-to-Duct with Flange

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Number of Mounting Holes

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105 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

Other Products

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 Downdraft Diverters

Duct Downdraft Diverters

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

Duct Flow Sights

Duct Flow Sights

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

Duct Noise Reducers

Duct Noise Reducers

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

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