<https://deabath.com/product/2-straight-flush-tube/#product>
<http://schema.org/description>
"This tube is used for connecting top spud toilets when the tank and bowl are in vertical alignment. 2\" diameter, 10\" long, sold less nuts and washers.  See # 90-008 for the nut"
<https://deabath.com/product/2-straight-flush-tube/>