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Straight
System of Measurement
System of Measurement
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Metric
End Construction
End Construction
Rolled
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Gender
Gender
Male
Female
Duct Construction
Duct Construction
Closed
Open
Flange Mount Type
Flange Mount Type
Screw On
Weld On
Number of Mounting Holes
Number of Mounting Holes
4
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10
12
16
18
20
22
24
32
36
Gate Material
Gate Material
Aluminum
Steel
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Slide Material
Slide Material
Steel
Stainless Steel
Plastic
For Duct Shape
For Duct Shape
Round
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Flange Thickness
Flange Thickness
1/8"
9/64"
3/16"
1/4"
Flange Height
Flange Height
1"
1 1/4"
1 3/8"
1 1/2"
1 3/4"
1 7/8"
2"
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