Intake Louvers | McMaster-Carr

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Powder-Coated Aluminum

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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DFARS Specialty Metals

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REACH

Airflow

1,000 scfm to 1,499 scfm

1,500 scfm to 1,999 scfm

2,000 scfm or greater

Not Rated

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292 Products

Louvers

Adjustable-Blade Wall-Mount Louvers

Remain open only when air flows to prevent backdrafts

34 products

Fixed-Blade Wall-Mount Louvers

Always open—our most basic wall louvers

14 products

Heavy Duty Fixed-Blade Wall-Mount Louvers

A thick frame and blades increase the service life

19 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

Weather-Resistant Fixed-Blade Wall-Mount Louvers

Drain water to keep it away from the front of blades

20 products

Fixed-Blade Door-Mount Louvers

Allow air to circulate through doors while maintaining privacy

58 products

Louvers for Enclosures

Relieve heat buildup and prevent condensation from forming in enclosures

62 products

Adjustable-Width Fixed-Blade Wall-Mount Louvers

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

5 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

Weather-Resistant Louvers for Enclosures

A gasketed sealing kit shields from dirt, moisture, and weather

21 products

Fixed-Blade Louvers for Block and Brick Walls

Sized to replace block or bricks

3 products

Roof-Mount Louvers

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

22 products

Heavy Duty Adjustable-Blade Wall-Mount Louvers

A thick frame and blades increase the service life

4 products

Other Products

Registers

Direct and control airflow coming out of HVAC systems

21 products