14mil to 19mil GLASS ON GLASS EXPANDER. STRAIGHT. GGXPN-1
This hard to find male to female expander piece has a 14mil male fitting and a 19mil female fitting. Fits into 14mil female fitting on water pipe and allows conversion to use 19mil male accessories.
Because this item is Handmade. There may be slight variation in length.
Please see Glass Accessories Measuring Guide.