2 Glass Sliders

Glass slider - Special designs
Also called glass downpipe with a separate lift-off bowl.
This colored glass slider suitable for many glass bongs.
Comes with rubber grommet as seen in the picture.
The slider comes in 2 parts:
1) Bowl head ("Male")
2) Glass base ("Female")
In the sale package you get 2 sliders, 2 designed "males" and 2 "females" in for only $24 (instead of $28 or 38$ on other shops).
the Slider female outer diameter is 1.1cm / 0.43 inch
inner diameter is 0.9cm / 0.35 inch