Insulation Nominal I D

1 1/2"
1 1/8 in
1 1/8"
1 3/8 in
1 3/8"
1 5/8 in
1 5/8"
1-1/8"
1-3/8"
1-5/8"
1/2"
2 1/8 in
2 3/8 in
2 5/8 in
2 in
2"
2-1/8"
2-5/8"
3 1/2 in
3 1/8 in
3 5/8 in
3-1/8"
3-5/8"
3/4 in
3/4"
3/8"
4 1/2 in
4 1/8 in
4 1/8"
5/8 in
5/8"
7/8 in
7/8"