Tee fitting reduced in the middle section.

CODE	MEASURES	PIECES	MASTER
823-180-160-180	18x2-16x2-18x2	10	50
823-200-160-200	20x2-16x2-20x2	10	40
823-200-180-200	20x2-18x2-20x2	10	40
823-260-160-260	26x3-16x2-26x3	5	30
823-260-180-260	26x3-18x2-26x3	5	30
823-260-200-260	26x3-20x2-26x3	5	30
823-320-160-320	32x3-16x2-32x3	5	20
823-320-180-320	32x3-18x2-32x3	5	20
823-320-200-320	32x3-20x2-32x3	5	20
823-320-260-320	32x3-26x2-32x3	5	20
823-400-320-400	40x3,5-32x3-40x3,5	1	5
823-500-400-500	50x4-40x3,5-50x4	1	3
823-630-400-630	63x4,5-40x3,5-63x4,5	1	2
823-630-500-630	63x4,5-50x4-63x4,5	1	2