Glass Female Slider Downtube

Slider users! You can now get the "Female" downtube part.
This glass tube is inserted into a hole in the bong and is ready to get the male part of the slider.
this item should fit into all our medium, large and columbian glass water bongs
The Slider female outer diameter is 1.1cm / 0.43 inch
inner diameter is 0.9cm / 0.35 inch