3 WAY CORNER 90º APEX DOWN RIGHT
3 WAY CORNER 90º APEX DOWN LEFT
3 WAY VERTICAL TEE APEX DOWN
3 WAY VERTICAL TEE APEX UP
3 WAY HORIZONTAL TEE PIECE
3 WAY VERTICAL TEE PIECE APEX DOWN
3 WAY VERTICAL TEE PIECE APEX UP
4 WAY CROSS PIECE
4 WAY TEE PIECE APEX DOWN