 |
|
Size
(Dia. in inches
|
Standard
Units
|
|
4
|
20
ft. Lengths |
|
6
|
20,
ft. Lengths |
|
8
|
20,
ft. Lengths |
|
10
|
20,
ft. Lengths |
|
12
|
13,
20, ft. Lengths
|
|
15
|
13,
20, ft. Lengths |
|
18
|
13,
20 ft. Lengths |
|
24
|
13,
20 ft. Lengths |
|
30
|
20,
ft. Lengths |
|
36
|
20,
ft. Lengths |
13' Lengths are belled end only. |
|
