Air Inlets | McMaster-Carr

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Opening Width

Shape

Opening Height

Mounting Location

Mounting Profile

Overall Height

Frame Material

Overall Width

Voltage

Blade Material

Blade Diameter

Material

Blade Adjustability

Airflow

Less than 1,000 ft³/min

1,000 ft³/min to 9,999 ft³/min

10,000 ft³/min to 19,999 ft³/min

20,000 ft³/min to 29,999 ft³/min

30,000 ft³/min or greater

Not Rated

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

REACH

Electrical Phase

Opening Diameter

Diffuser Shape

Duct Size

Overall Depth

Base Width

For Duct Width

Airflow @ Static Pressure

190 ft³/min @ 0 in. H₂O

400 ft³/min @ 0 in. H₂O

500 ft³/min @ 0 in. H₂O

550 ft³/min @ 0 in. H₂O

710 ft³/min @ 0 in. H₂O

800 ft³/min @ 0 in. H₂O

830 ft³/min @ 0 in. H₂O

1,050 ft³/min @ 0 in. H₂O

1,100 ft³/min @ 0 in. H₂O

1,250 ft³/min @ 0 in. H₂O

1,300 ft³/min @ 0 in. H₂O

1,500 ft³/min @ 0 in. H₂O

1,600 ft³/min @ 0 in. H₂O

1,800 ft³/min @ 0 in. H₂O

1,950 ft³/min @ 0 in. H₂O

2,000 ft³/min @ 0 in. H₂O

2,100 ft³/min @ 0 in. H₂O

2,300 ft³/min @ 0 in. H₂O

Forward

How can we improve?

727 Products

Louvers

Louvers for Enclosures

Relieve heat buildup and prevent condensation from forming in enclosures

62 products

Weather-Resistant Louvers for Enclosures

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

21 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

Heavy Duty Fixed-Blade Wall-Mount Louvers

A thick frame and blades increase the service life

19 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

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

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

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

Fixed-Blade Louvers for Block and Brick Walls

Sized to replace block or bricks

3 products

Other Products

Return Grilles

Cover the opening where air is pulled into your HVAC system

35 products

Diffusers

Evenly disperse airflow into a room to maintain a consistent temperature throughout

70 products

Diffuser Collars

Connect diffusers to duct

4 products

Forced-Air Ventilation Fans

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

3 products

Exhaust Fans

Draw stagnant and humid air out of a room or area

216 products

Registers

Direct and control airflow coming out of HVAC systems

39 products