Size
Length
Outer Diameter
10"
18"
11"
12"
18"
13"
14"
18"
15"
16"
18"
17"
18"
18"
20"
20"
18"
22"
22"
18"
24"
24"
18"
26"
26"
18"
28"
28"
18"
30"
30"
18"
32"