Pipe connection

1 1/4 in
1 1/4 in NPT
1 11/16 in
1 in NPT
2 1/2 in
2 5/16 in
2 5/16 in / 1 1/4 in NPT
2 5/16 in / 1 in NPT
2 in
3 in
4 in
4"
GF 40/43