Roof Box Vents | McMaster-Carr

	Material Material

Steel

Aluminum

Stainless Steel

Plastic

	Finish Finish

Galvanized

Painted

	Shape Shape


Cap	Straight

45° Elbow	60° Elbow

90° Elbow	Adjustable- Angle Elbow

Tee	Wye

	Mounting Location Mounting Location

Roof

Wall

	Trade Size Trade Size

	Component Component

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Voltage Voltage

120V AC

208 to 230V AC

460V AC

	Width Width

	Base Width Base Width

	For Duct Diameter For Duct Diameter

	ID ID

	For Duct Shape For Duct Shape

Round

Rectangular

Square

	Gauge Gauge

	Draft Direction Draft Direction

Downdraft

Upblast

	Connection Type Connection Type

Press Fit

Twist Connect

	Maximum Temperature Maximum Temperature

	Base Diameter Base Diameter

	Power Source Power Source

Wind

Electric

	Airflow @ Static Pressure Airflow @ Static Pressure

500 cfm @ 0 in. of H2 O

710 cfm @ 0 in. of H2 O

800 cfm @ 0 in. of H2 O

830 cfm @ 0 in. of H2 O

1,100 cfm @ 0 in. of
H2 O

1,250 cfm @ 0 in. of
H2 O

1,300 cfm @ 0 in. of
H2 O

2,100 cfm @ 0 in. of
H2 O

2,400 cfm @ 0 in. of
H2 O

2,900 cfm @ 0 in. of
H2 O

3,000 cfm @ 0 in. of
H2 O

3,725 cfm @ 0 in. of
H2 O

5,200 cfm @ 0 in. of
H2 O

6,250 cfm @ 0 in. of
H2 O

7,300 cfm @ 0 in. of
H2 O

7,400 cfm @ 0 in. of
H2 O

9,500 cfm @ 0 in. of
H2 O

11,700 cfm @ 0 in. of
H2 O

14,800 cfm @ 0 in. of
H2 O

24,700 cfm @ 0 in. of
H2 O

34,300 cfm @ 0 in. of
H2 O

60 cfm @ 1/2 in. of H2 O

400 cfm @ 1/2 in. of
H2 O

430 cfm @ 1/2 in. of
H2 O

520 cfm @ 1/2 in. of
H2 O

600 cfm @ 1/2 in. of
H2 O

950 cfm @ 1/2 in. of
H2 O

1,100 cfm @ 1/2 in. of
H2 O

1,200 cfm @ 1/2 in. of
H2 O

1,800 cfm @ 1/2 in. of
H2 O

2,400 cfm @ 1/2 in. of
H2 O

2,450 cfm @ 1/2 in. of
H2 O

3,000 cfm @ 1/2 in. of
H2 O

4,500 cfm @ 1/2 in. of
H2 O

4,900 cfm @ 1/2 in. of
H2 O

6,500 cfm @ 1/2 in. of
H2 O

7,300 cfm @ 1/2 in. of
H2 O

8,250 cfm @ 1/2 in. of
H2 O

17,000 cfm @ 1/2 in. of
H2 O

25,500 cfm @ 1/2 in. of
H2 O

	Drive Type Drive Type

Direct

Belt

	Overall Height Overall Height

	Blade Diameter Blade Diameter

Over 48,000 metals now include traceable material certificates.

380 Products

About Duct Connections

Duct and Fittings

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Roof Louvers

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Roof Pipe Gaskets