1/4 x 3 XH nipple
3/8 x 3 XH nipple
1/2 X 3 XH nipple
3/4 x 3 XH nipple
1 X 3 XH nipple
1 1/4 x 3 XH nipple
1 1/2 x 3 XH nipple
2 X 3 XH nipple
3 X 3 XH nipple