Aluminum Vents | McMaster-Carr

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Adjustable-Angle Elbow

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606 Products

Louvers

Louvers for Enclosures

Relieve heat buildup and prevent condensation from forming in enclosures

37 products

Fixed-Blade Wall-Mount Louvers

Always open—our most basic wall louvers

10 products

Fixed-Blade Door-Mount Louvers

Allow air to circulate through doors while maintaining privacy

18 products

Adjustable-Blade Wall-Mount Louvers

Remain open only when air flows to prevent backdrafts

27 products

Adjustable-Width Fixed-Blade Wall-Mount Louvers

Slide out to the width you need to precisely fit your opening

5 products

Fixed-Blade Louvers for Block and Brick Walls

Sized to replace block or bricks

3 products

Weather-Resistant Fixed-Blade Wall-Mount Louvers

Drain water to keep it away from the front of blades

20 products

Fixed-Blade Wall-Mount Louvers with Adjustable Register and Aluminum Filter

Control airflow and clean the air with the included register and filter

4 products

Fixed- and Adjustable-Blade Wall-Mount Louvers

Fixed front blades give you consistent sight lines from the outside
Rear blades remain open only when air flows to prevent backdrafts

5 products

Heavy Duty Fixed-Blade Wall-Mount Louvers

A thick frame and blades increase the service life

9 products

Roof-Mount Louvers

Open only when your roof-mounted exhaust fan is on to prevent backdrafts

22 products

Other Products

Return Grilles

Cover the opening where air is pulled into your HVAC system

4 products

Electrical Enclosure Vents

Attach to sealed enclosures so air can flow to equalize temperature and pressure

5 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

4 products

Exhaust Fans

Draw stagnant and humid air out of a room or area

207 products

Duct Vent Caps

Reduce downdrafts and prevent obstructions from entering vents

4 products

Chimney Vent Caps

Cover chimneys to reduce downdrafts and block out debris

9 products

Duct Blast Gates

Slide open and closed to control flow of air and material

111 products

Mufflers

Reduce noise and filter exhaust fumes

85 products

Chimney Pipe Fittings

Form straight, elbow, and tee connections between lengths of chimney pipe

9 products

Chimney Pipe

Exhaust hot air and fumes from boilers, furnaces, and stoves

5 products

Forced-Air Ventilation Fans

Force fresh air into a space to improve air quality and manage temperature and moisture levels

3 products

Duct Airflow Dampers

Regulate airflow to sections of duct

3 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

7 products