Black t-connector female thread 3/8x1/2

Black t-connector internal thread 1/2x3/4

Black t-connector female 3/4x3/8

Black t-connector internal thread 3/4x1/2x1/2

Black t-connector internal thread 3/4x1/2

Black t-connector internal thread 3/4x3/4x1/2

Black t-connector internal thread 3/4x1