Part

Duct Size

Max O.D.

Number

(in)

(mm)

(in)

(mm)

08031805

11/4

32

1.25

32

08031803

13/8

35

1.38

35

08031806

11/2

38

1.50

38

08031804

15/8

41

1.63

41

08031819

2

51

2.00

51

08031821

21/4

56

2.20

56

08031826

21/2

64

2.50

64

08031831

3

76

3.00

76

08031802

31/2

89

3.50

89

08031841

4

102

4.00

102

08031801

41/4

108

4.25

108

08031847

41/2

115

4.51

115

08031851

5

127

5.00

127

08031861

6

152

6.00

152

08031881

8

203

8.00

203