Tee fitting.

CODE	MEASURES	PIECES	MASTER
822-160-160-160	16x2-16x2-16x2	10	60
822-180-180-180	18x2-18x2-18x2	10	50
822-200-200-200	20x2-20x2-20x2	10	40
822-260-260-260	26x3-26x3-26x3	5	30
822-320-320-320	32x3-32x3-32x3	5	20
822-400-400-400	40x3,5-40x3,5-40x3,5	1	6
822-500-500-500	50x4-50x4-50x4	1	2
822-630-630-630	63x4,5-63x4,5-63x4,5	1	2