A: 78.20
B: 75.50
OD/ID x t: 19.05/15.75 x 1.65
OD1/ID1 x t1: 19.05/15.75 x 1.65
B: 75.50
OD/ID x t: 19.05/15.75 x 1.65
OD1/ID1 x t1: 19.05/15.75 x 1.65