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Duct Size
2
3
3
1/2
4
4
1/2
5
5
1/2
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
32
34
36
38
40
42
44
46
48
52
Shape
45° Elbow
60° Elbow
90° Elbow
Adjustable-Angle Elbow
Cap
Straight
Tee
Wye
Material
Aluminum
Plastic
Rubber
Stainless Steel
Steel
ID
2"
3"
3
1/16"
3
17/32"
3
9/16"
4"
4
1/16"
4
1/2"
4
17/32"
4
9/16"
5"
5
1/16"
5
1/2"
5
17/32"
5
9/16"
Component
Adapter
Airflow Damper
Ball Joint
Blast Gate
Collar
Connector
Damper Handle
Downdraft Diverter
Draft Damper
Duct
End Cap
Fire Damper
Flange
Floor Sweep
Intake Hood
OD
1/4"
1
7/8"
2
5/16"
2
13/16"
2
7/8"
2
15/16"
3
3/8"
3
3/4"
3
13/16"
3
7/8"
3
15/16"
4"
4
3/8"
4
1/2"
4
3/4"
Fitting Connection
Hide
Compression
Flanged
Interlocking Bracket
Press Fit
Push In
Push to Connect
Quick-Disconnect Clamp
Screw Clamp
Screw On
Slip On
Snap In
Threaded
Twist Connect
Twist In
Worm-Drive Clamp
Gender
Female
Male
Finish
Galvanized
Painted
PVC Coated
Gauge
30
28
26
24
22
20
18
16
End Construction
Crimped
Plain
Spiral
Tapered
Duct Profile
Oval
Round
Square
Length
4
1/2"
5
3/4"
7
1/2"
8
1/4"
10"
10
1/2"
11
1/2"
13"
14
1/2"
18"
23
5/8"
24"
35
3/8"
36"
48"
60"
8 ft.
10 ft.
DFARS Specialty Metals
Exempt
RoHS
Compliant
Not Compliant
REACH
Compliant
Not Compliant
Export Control Classification Number (ECCN)
2B999
EAR99
Performance
Chemical Resistant
Corrosion Resistant
Easy Install
Fire Rated
Lightweight
Self-Cleaning
Tight Seal
Duct Type
Oval
Plastic
Spiral
Standard
System of Measurement
Inch
For Duct Shape
Rectangle
Round
Square
Flange Mount Type
Screw On
Weld On
Number of Mounting Holes
4
6
8
10
12
16
18
24
Width
3
1/2"
3
5/8"
3
11/16"
4"
4
1/2"
4
5/8"
5"
5
1/8"
5
3/8"
5
1/2"
5
3/4"
6"
6
3/8"
6
1/2"
6
5/8"
Duct Construction
Closed
Open
Maximum Temperature
250° F to 499° F
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1,317 Products
Duct and Fittings
Standard Duct and Fittings
Deliver air for a range of HVAC applications, including exhaust and dust collection
503 products
Spiral Duct and Fittings
A continuous seam reinforces duct against suction from dust collection systems
357 products
Duct Flanges
Mount to air handlers and HVAC equipment to start a run of duct
169 products
Tight-Seal Spiral Duct and Fittings
Gasketed fittings prevent leaks and the seam reinforces duct against suction from dust collection systems
70 products
Chemical-Resistant Duct and Fittings
Withstand corrosive gases, vapors, and fumes that would eat away at most metal duct
80 products
Oval Duct and Fittings
Half the height of rectangular duct to fit into the tightest spaces
11 products
Other Products
Duct Blast Gates
Slide open and closed to control flow of air and material
97 products
Duct Airflow Dampers
Regulate airflow to sections of duct
49 products
Chimney Pipe and Fittings
Exhaust hot air and fumes from boilers, furnaces, and stoves
36 products
Duct Noise Reducers
Muffle noise from high-velocity airflow and fans, blowers, and dust collectors
6 products
Duct Floor Sweeps
Get dust and debris off your floor and into your collection system
3 products
Duct Fire Dampers
Automatically close at high temperatures to help prevent the spread of fire through duct
13 products
Duct Downdraft Diverters
Prevent downdrafts from blowing back into ductwork while allowing air and fumes to vent
8 products
Barometric Draft Dampers
Maintain consistent airflow in your furnace to improve its performance
6 products
Duct Damper Handles
Replace an existing handle or pair with a blade to create your own damper
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)